57461984651 has 2 divisors, whose sum is σ = 57461984652. Its totient is φ = 57461984650.

The previous prime is 57461984633. The next prime is 57461984659. The reversal of 57461984651 is 15648916475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57461984651 - 2²² = 57457790347 is a prime.

It is a zygodrome in base 13.

It is not a weakly prime, because it can be changed into another prime (57461984659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28730992325 + 28730992326.

It is an arithmetic number, because the mean of its divisors is an integer number (28730992326).

Almost surely, 2^57461984651 is an apocalyptic number.

57461984651 is a deficient number, since it is larger than the sum of its proper divisors (1).

57461984651 is an equidigital number, since it uses as much as digits as its factorization.

57461984651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 56.

The spelling of 57461984651 in words is "fifty-seven billion, four hundred sixty-one million, nine hundred eighty-four thousand, six hundred fifty-one".