57519646489 has 16 divisors (see below), whose sum is σ = 61697272320. Its totient is φ = 53430773760.

The previous prime is 57519646469. The next prime is 57519646493. The reversal of 57519646489 is 98464691575.

It is a cyclic number.

It is not a de Polignac number, because 57519646489 - 2¹⁵ = 57519613721 is a prime.

It is a Duffinian number.

Its product of digits (65318400) is a multiple of the sum of its prime divisors (16200).

It is a self number, because there is not a number n which added to its sum of digits gives 57519646489.

It is not an unprimeable number, because it can be changed into a prime (57519646469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4507452 + ... + 4520194.

It is an arithmetic number, because the mean of its divisors is an integer number (3856079520).

Almost surely, 2^57519646489 is an apocalyptic number.

It is an amenable number.

57519646489 is a deficient number, since it is larger than the sum of its proper divisors (4177625831).

57519646489 is a wasteful number, since it uses less digits than its factorization.

57519646489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200.

The product of its digits is 65318400, while the sum is 64.

The spelling of 57519646489 in words is "fifty-seven billion, five hundred nineteen million, six hundred forty-six thousand, four hundred eighty-nine".