38315812807 has 2 divisors, whose sum is σ = 38315812808. Its totient is φ = 38315812806.

The previous prime is 38315812781. The next prime is 38315812811. The reversal of 38315812807 is 70821851383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38315812807 - 2¹¹ = 38315810759 is a prime.

It is a super-2 number, since 2×38315812807² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38315812837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19157906403 + 19157906404.

It is an arithmetic number, because the mean of its divisors is an integer number (19157906404).

Almost surely, 2^38315812807 is an apocalyptic number.

38315812807 is a deficient number, since it is larger than the sum of its proper divisors (1).

38315812807 is an equidigital number, since it uses as much as digits as its factorization.

38315812807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 38315812807 in words is "thirty-eight billion, three hundred fifteen million, eight hundred twelve thousand, eight hundred seven".