57638620259 has 16 divisors (see below), whose sum is σ = 63152455680. Its totient is φ = 52170639360.

The previous prime is 57638620219. The next prime is 57638620307. The reversal of 57638620259 is 95202683675.

It is a cyclic number.

It is not a de Polignac number, because 57638620259 - 2²⁰ = 57637571683 is a prime.

It is a super-2 number, since 2×57638620259² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57638620259.

It is not an unprimeable number, because it can be changed into a prime (57638620219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9379742 + ... + 9385884.

It is an arithmetic number, because the mean of its divisors is an integer number (3947028480).

Almost surely, 2^57638620259 is an apocalyptic number.

57638620259 is a deficient number, since it is larger than the sum of its proper divisors (5513835421).

57638620259 is a wasteful number, since it uses less digits than its factorization.

57638620259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 57638620259 in words is "fifty-seven billion, six hundred thirty-eight million, six hundred twenty thousand, two hundred fifty-nine".