57659345449 has 4 divisors (see below), whose sum is σ = 60166273536. Its totient is φ = 55152417364.

The previous prime is 57659345441. The next prime is 57659345461. The reversal of 57659345449 is 94454395675.

It is a happy number.

57659345449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57659345449 - 2³ = 57659345441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57659345441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253464009 + ... + 1253464054.

It is an arithmetic number, because the mean of its divisors is an integer number (15041568384).

Almost surely, 2^57659345449 is an apocalyptic number.

It is an amenable number.

57659345449 is a deficient number, since it is larger than the sum of its proper divisors (2506928087).

57659345449 is a wasteful number, since it uses less digits than its factorization.

57659345449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506928086.

The product of its digits is 81648000, while the sum is 61.

The spelling of 57659345449 in words is "fifty-seven billion, six hundred fifty-nine million, three hundred forty-five thousand, four hundred forty-nine".