125796464639 has 2 divisors, whose sum is σ = 125796464640. Its totient is φ = 125796464638.

The previous prime is 125796464623. The next prime is 125796464657. The reversal of 125796464639 is 936464697521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125796464639 - 2⁴ = 125796464623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125796464609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62898232319 + 62898232320.

It is an arithmetic number, because the mean of its divisors is an integer number (62898232320).

Almost surely, 2^125796464639 is an apocalyptic number.

125796464639 is a deficient number, since it is larger than the sum of its proper divisors (1).

125796464639 is an equidigital number, since it uses as much as digits as its factorization.

125796464639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 62.

The spelling of 125796464639 in words is "one hundred twenty-five billion, seven hundred ninety-six million, four hundred sixty-four thousand, six hundred thirty-nine".