57291632889 has 4 divisors (see below), whose sum is σ = 76388843856. Its totient is φ = 38194421924.

The previous prime is 57291632873. The next prime is 57291632891. The reversal of 57291632889 is 98823619275.

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 57291632889 - 2⁴ = 57291632873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57291632869) 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, 9548605479 + ... + 9548605484.

It is an arithmetic number, because the mean of its divisors is an integer number (19097210964).

Almost surely, 2^57291632889 is an apocalyptic number.

It is an amenable number.

57291632889 is a deficient number, since it is larger than the sum of its proper divisors (19097210967).

57291632889 is a wasteful number, since it uses less digits than its factorization.

57291632889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19097210966.

The product of its digits is 13063680, while the sum is 60.

The spelling of 57291632889 in words is "fifty-seven billion, two hundred ninety-one million, six hundred thirty-two thousand, eight hundred eighty-nine".