57699725091 has 4 divisors (see below), whose sum is σ = 76932966792. Its totient is φ = 38466483392.

The previous prime is 57699725087. The next prime is 57699725101. The reversal of 57699725091 is 19052799675.

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

It is a cyclic number.

It is not a de Polignac number, because 57699725091 - 2² = 57699725087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57699725071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9616620846 + ... + 9616620851.

It is an arithmetic number, because the mean of its divisors is an integer number (19233241698).

Almost surely, 2^57699725091 is an apocalyptic number.

57699725091 is a deficient number, since it is larger than the sum of its proper divisors (19233241701).

57699725091 is a wasteful number, since it uses less digits than its factorization.

57699725091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19233241700.

The product of its (nonzero) digits is 10716300, while the sum is 60.

The spelling of 57699725091 in words is "fifty-seven billion, six hundred ninety-nine million, seven hundred twenty-five thousand, ninety-one".