2126643600254 has 8 divisors (see below), whose sum is σ = 3202377717888. Its totient is φ = 1059184360960.

The previous prime is 2126643600227. The next prime is 2126643600271. The reversal of 2126643600254 is 4520063466212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2126643600254² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068718942 + ... + 2068719969.

It is an arithmetic number, because the mean of its divisors is an integer number (400297214736).

Almost surely, 2^{2126643600254} is an apocalyptic number.

2126643600254 is a deficient number, since it is larger than the sum of its proper divisors (1075734117634).

2126643600254 is a wasteful number, since it uses less digits than its factorization.

2126643600254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137439170.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 2126643600254 in words is "two trillion, one hundred twenty-six billion, six hundred forty-three million, six hundred thousand, two hundred fifty-four".