38515416713 has 2 divisors, whose sum is σ = 38515416714. Its totient is φ = 38515416712.

The previous prime is 38515416703. The next prime is 38515416727. The reversal of 38515416713 is 31761451583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21876480649 + 16638936064 = 147907^2 + 128992^2 .

It is a cyclic number.

It is not a de Polignac number, because 38515416713 - 2¹⁸ = 38515154569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38515416703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19257708356 + 19257708357.

It is an arithmetic number, because the mean of its divisors is an integer number (19257708357).

Almost surely, 2^38515416713 is an apocalyptic number.

It is an amenable number.

38515416713 is a deficient number, since it is larger than the sum of its proper divisors (1).

38515416713 is an equidigital number, since it uses as much as digits as its factorization.

38515416713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The spelling of 38515416713 in words is "thirty-eight billion, five hundred fifteen million, four hundred sixteen thousand, seven hundred thirteen".