38156249713 has 2 divisors, whose sum is σ = 38156249714. Its totient is φ = 38156249712.

The previous prime is 38156249699. The next prime is 38156249783. The reversal of 38156249713 is 31794265183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37615826704 + 540423009 = 193948^2 + 23247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38156249713 is a prime.

It is not a weakly prime, because it can be changed into another prime (38156249783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19078124856 + 19078124857.

It is an arithmetic number, because the mean of its divisors is an integer number (19078124857).

Almost surely, 2^38156249713 is an apocalyptic number.

It is an amenable number.

38156249713 is a deficient number, since it is larger than the sum of its proper divisors (1).

38156249713 is an equidigital number, since it uses as much as digits as its factorization.

38156249713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The spelling of 38156249713 in words is "thirty-eight billion, one hundred fifty-six million, two hundred forty-nine thousand, seven hundred thirteen".