57234864961 has 2 divisors, whose sum is σ = 57234864962. Its totient is φ = 57234864960.

The previous prime is 57234864959. The next prime is 57234864979. The reversal of 57234864961 is 16946843275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49932137025 + 7302727936 = 223455^2 + 85456^2 .

It is a cyclic number.

It is not a de Polignac number, because 57234864961 - 2¹ = 57234864959 is a prime.

Together with 57234864959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57234864941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28617432480 + 28617432481.

It is an arithmetic number, because the mean of its divisors is an integer number (28617432481).

Almost surely, 2^57234864961 is an apocalyptic number.

It is an amenable number.

57234864961 is a deficient number, since it is larger than the sum of its proper divisors (1).

57234864961 is an equidigital number, since it uses as much as digits as its factorization.

57234864961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 57234864961 in words is "fifty-seven billion, two hundred thirty-four million, eight hundred sixty-four thousand, nine hundred sixty-one".