38360816513 has 2 divisors, whose sum is σ = 38360816514. Its totient is φ = 38360816512.

The previous prime is 38360816467. The next prime is 38360816519. The reversal of 38360816513 is 31561806383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37051245169 + 1309571344 = 192487^2 + 36188^2 .

It is a cyclic number.

It is not a de Polignac number, because 38360816513 - 2⁶ = 38360816449 is a prime.

It is not a weakly prime, because it can be changed into another prime (38360816519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19180408256 + 19180408257.

It is an arithmetic number, because the mean of its divisors is an integer number (19180408257).

Almost surely, 2^38360816513 is an apocalyptic number.

It is an amenable number.

38360816513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38360816513 is an equidigital number, since it uses as much as digits as its factorization.

38360816513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 38360816513 in words is "thirty-eight billion, three hundred sixty million, eight hundred sixteen thousand, five hundred thirteen".