2126950447500 has 480 divisors, whose sum is σ = 7072644779200. Its totient is φ = 559417104000.

The previous prime is 2126950447483. The next prime is 2126950447537. The reversal of 2126950447500 is 57440596212.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2126950447500 is a `hidden beast` number, since 2 + 12 + 6 + 95 + 0 + 4 + 47 + 500 = 666.

It is a super-2 number, since 2×2126950447500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 16425 × 9855 × 13140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 29136307464 + ... + 29136307536.

Almost surely, 2^{2126950447500} is an apocalyptic number.

2126950447500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126950447500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536322389600).

2126950447500 is an abundant number, since it is smaller than the sum of its proper divisors (4945694331700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126950447500 is an frugal number, since it uses more digits than its factorization.

2126950447500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 2126950447500 in words is "two trillion, one hundred twenty-six billion, nine hundred fifty million, four hundred forty-seven thousand, five hundred".