38515335959 has 2 divisors, whose sum is σ = 38515335960. Its totient is φ = 38515335958.

The previous prime is 38515335923. The next prime is 38515335961. The reversal of 38515335959 is 95953351583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38515335959 - 2²⁴ = 38498558743 is a prime.

It is a super-2 number, since 2×38515335959² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 38515335961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38515335919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19257667979 + 19257667980.

It is an arithmetic number, because the mean of its divisors is an integer number (19257667980).

Almost surely, 2^38515335959 is an apocalyptic number.

38515335959 is a deficient number, since it is larger than the sum of its proper divisors (1).

38515335959 is an equidigital number, since it uses as much as digits as its factorization.

38515335959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935000, while the sum is 56.

The spelling of 38515335959 in words is "thirty-eight billion, five hundred fifteen million, three hundred thirty-five thousand, nine hundred fifty-nine".