57483237491 has 2 divisors, whose sum is σ = 57483237492. Its totient is φ = 57483237490.

The previous prime is 57483237479. The next prime is 57483237551. The reversal of 57483237491 is 19473238475.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57483237491 is a prime.

It is not a weakly prime, because it can be changed into another prime (57483237391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28741618745 + 28741618746.

It is an arithmetic number, because the mean of its divisors is an integer number (28741618746).

Almost surely, 2^57483237491 is an apocalyptic number.

57483237491 is a deficient number, since it is larger than the sum of its proper divisors (1).

57483237491 is an equidigital number, since it uses as much as digits as its factorization.

57483237491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 57483237491 in words is "fifty-seven billion, four hundred eighty-three million, two hundred thirty-seven thousand, four hundred ninety-one".