57898581689 has 16 divisors (see below), whose sum is σ = 63917921424. Its totient is φ = 52104729600.

The previous prime is 57898581683. The next prime is 57898581737. The reversal of 57898581689 is 98618589875.

It can be written as a sum of positive squares in 8 ways, for example, as 4130247289 + 53768334400 = 64267^2 + 231880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57898581689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57898581683) 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, 737069 + ... + 811829.

It is an arithmetic number, because the mean of its divisors is an integer number (3994870089).

Almost surely, 2^57898581689 is an apocalyptic number.

It is an amenable number.

57898581689 is a deficient number, since it is larger than the sum of its proper divisors (6019339735).

57898581689 is a wasteful number, since it uses less digits than its factorization.

57898581689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76268.

The product of its digits is 348364800, while the sum is 74.

The spelling of 57898581689 in words is "fifty-seven billion, eight hundred ninety-eight million, five hundred eighty-one thousand, six hundred eighty-nine".