38511306013 has 2 divisors, whose sum is σ = 38511306014. Its totient is φ = 38511306012.

The previous prime is 38511305999. The next prime is 38511306157. The reversal of 38511306013 is 31060311583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38479530244 + 31775769 = 196162^2 + 5637^2 .

It is a cyclic number.

It is not a de Polignac number, because 38511306013 - 2¹⁷ = 38511174941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38511366013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19255653006 + 19255653007.

It is an arithmetic number, because the mean of its divisors is an integer number (19255653007).

Almost surely, 2^38511306013 is an apocalyptic number.

It is an amenable number.

38511306013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38511306013 is an equidigital number, since it uses as much as digits as its factorization.

38511306013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 38511306013 its reverse (31060311583), we get a palindrome (69571617596).

The spelling of 38511306013 in words is "thirty-eight billion, five hundred eleven million, three hundred six thousand, thirteen".