38624627791 has 2 divisors, whose sum is σ = 38624627792. Its totient is φ = 38624627790.

The previous prime is 38624627773. The next prime is 38624627801. The reversal of 38624627791 is 19772642683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38624627791 - 2⁷ = 38624627663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38624627771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19312313895 + 19312313896.

It is an arithmetic number, because the mean of its divisors is an integer number (19312313896).

Almost surely, 2^38624627791 is an apocalyptic number.

38624627791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38624627791 is an equidigital number, since it uses as much as digits as its factorization.

38624627791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The spelling of 38624627791 in words is "thirty-eight billion, six hundred twenty-four million, six hundred twenty-seven thousand, seven hundred ninety-one".