126500004463 has 4 divisors (see below), whose sum is σ = 144571433680. Its totient is φ = 108428575248.

The previous prime is 126500004457. The next prime is 126500004473. The reversal of 126500004463 is 364400005621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 126500004463 - 2⁵ = 126500004431 is a prime.

It is a super-2 number, since 2×126500004463² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126500004473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9035714598 + ... + 9035714611.

It is an arithmetic number, because the mean of its divisors is an integer number (36142858420).

Almost surely, 2^126500004463 is an apocalyptic number.

126500004463 is a deficient number, since it is larger than the sum of its proper divisors (18071429217).

126500004463 is an equidigital number, since it uses as much as digits as its factorization.

126500004463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18071429216.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 126500004463 in words is "one hundred twenty-six billion, five hundred million, four thousand, four hundred sixty-three".