56701689499 has 32 divisors (see below), whose sum is σ = 70327685120. Its totient is φ = 44516449152.

The previous prime is 56701689497. The next prime is 56701689509. The reversal of 56701689499 is 99498610765.

It is not a de Polignac number, because 56701689499 - 2¹ = 56701689497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56701689499.

It is not an unprimeable number, because it can be changed into a prime (56701689497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6393142 + ... + 6402004.

It is an arithmetic number, because the mean of its divisors is an integer number (2197740160).

Almost surely, 2^56701689499 is an apocalyptic number.

56701689499 is a deficient number, since it is larger than the sum of its proper divisors (13625995621).

56701689499 is a wasteful number, since it uses less digits than its factorization.

56701689499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 56701689499 in words is "fifty-six billion, seven hundred one million, six hundred eighty-nine thousand, four hundred ninety-nine".