57308639641009 has 9 divisors (see below), whose sum is σ = 59353170445803. Its totient is φ = 55332267686472.

The previous prime is 57308639640997. The next prime is 57308639641091. The reversal of 57308639641009 is 90014693680375.

The square root of 57308639641009 is 7570247.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30051260501409 + 27257379139600 = 5481903^2 + 5220860^2 .

It is not a de Polignac number, because 57308639641009 - 2²⁹ = 57308102770097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57308639641609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 219406642 + ... + 219667684.

Almost surely, 2^{57308639641009} is an apocalyptic number.

57308639641009 is the 7570247-th square number.

57308639641009 is the 3785124-th centered octagonal number.

It is an amenable number.

57308639641009 is a deficient number, since it is larger than the sum of its proper divisors (2044530804794).

57308639641009 is an frugal number, since it uses more digits than its factorization.

57308639641009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522144 (or 261072 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 57308639641009 in words is "fifty-seven trillion, three hundred eight billion, six hundred thirty-nine million, six hundred forty-one thousand, nine".