41656460557013 has 4 divisors (see below), whose sum is σ = 41838366498540. Its totient is φ = 41474554615488.

The previous prime is 41656460557007. The next prime is 41656460557087. The reversal of 41656460557013 is 31075506465614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23076283073284 + 18580177483729 = 4803778^2 + 4310473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41656460557013 is a prime.

It is a super-2 number, since 2×41656460557013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41656460557213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90952970420 + ... + 90952970877.

It is an arithmetic number, because the mean of its divisors is an integer number (10459591624635).

Almost surely, 2^{41656460557013} is an apocalyptic number.

It is an amenable number.

41656460557013 is a deficient number, since it is larger than the sum of its proper divisors (181905941527).

41656460557013 is a wasteful number, since it uses less digits than its factorization.

41656460557013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181905941526.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 41656460557013 in words is "forty-one trillion, six hundred fifty-six billion, four hundred sixty million, five hundred fifty-seven thousand, thirteen".