39461980013 has 2 divisors, whose sum is σ = 39461980014. Its totient is φ = 39461980012.

The previous prime is 39461979919. The next prime is 39461980039. The reversal of 39461980013 is 31008916493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25135565764 + 14326414249 = 158542^2 + 119693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39461980013 is a prime.

It is a super-2 number, since 2×39461980013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39461986013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19730990006 + 19730990007.

It is an arithmetic number, because the mean of its divisors is an integer number (19730990007).

Almost surely, 2^39461980013 is an apocalyptic number.

It is an amenable number.

39461980013 is a deficient number, since it is larger than the sum of its proper divisors (1).

39461980013 is an equidigital number, since it uses as much as digits as its factorization.

39461980013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 39461980013 in words is "thirty-nine billion, four hundred sixty-one million, nine hundred eighty thousand, thirteen".