57478946360653 has 2 divisors, whose sum is σ = 57478946360654. Its totient is φ = 57478946360652.

The previous prime is 57478946360639. The next prime is 57478946360681. The reversal of 57478946360653 is 35606364987475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49283797738564 + 8195148622089 = 7020242^2 + 2862717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57478946360653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57478946360603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28739473180326 + 28739473180327.

It is an arithmetic number, because the mean of its divisors is an integer number (28739473180327).

Almost surely, 2^{57478946360653} is an apocalyptic number.

It is an amenable number.

57478946360653 is a deficient number, since it is larger than the sum of its proper divisors (1).

57478946360653 is an equidigital number, since it uses as much as digits as its factorization.

57478946360653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2743372800, while the sum is 73.

The spelling of 57478946360653 in words is "fifty-seven trillion, four hundred seventy-eight billion, nine hundred forty-six million, three hundred sixty thousand, six hundred fifty-three".