57634081663 has 2 divisors, whose sum is σ = 57634081664. Its totient is φ = 57634081662.

The previous prime is 57634081627. The next prime is 57634081693. The reversal of 57634081663 is 36618043675.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57634081663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57634081693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28817040831 + 28817040832.

It is an arithmetic number, because the mean of its divisors is an integer number (28817040832).

Almost surely, 2^57634081663 is an apocalyptic number.

57634081663 is a deficient number, since it is larger than the sum of its proper divisors (1).

57634081663 is an equidigital number, since it uses as much as digits as its factorization.

57634081663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 57634081663 in words is "fifty-seven billion, six hundred thirty-four million, eighty-one thousand, six hundred sixty-three".