53460673646657 has 2 divisors, whose sum is σ = 53460673646658. Its totient is φ = 53460673646656.

The previous prime is 53460673646621. The next prime is 53460673646689. The reversal of 53460673646657 is 75664637606435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53437284226561 + 23389420096 = 7310081^2 + 152936^2 .

It is a cyclic number.

It is not a de Polignac number, because 53460673646657 - 2¹² = 53460673642561 is a prime.

It is not a weakly prime, because it can be changed into another prime (53460673646957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26730336823328 + 26730336823329.

It is an arithmetic number, because the mean of its divisors is an integer number (26730336823329).

Almost surely, 2^{53460673646657} is an apocalyptic number.

It is an amenable number.

53460673646657 is a deficient number, since it is larger than the sum of its proper divisors (1).

53460673646657 is an equidigital number, since it uses as much as digits as its factorization.

53460673646657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1371686400, while the sum is 68.

The spelling of 53460673646657 in words is "fifty-three trillion, four hundred sixty billion, six hundred seventy-three million, six hundred forty-six thousand, six hundred fifty-seven".