38735350631 has 2 divisors, whose sum is σ = 38735350632. Its totient is φ = 38735350630.

The previous prime is 38735350627. The next prime is 38735350679. The reversal of 38735350631 is 13605353783.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38735350631 - 2² = 38735350627 is a prime.

It is a super-2 number, since 2×38735350631² (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 (38735350931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19367675315 + 19367675316.

It is an arithmetic number, because the mean of its divisors is an integer number (19367675316).

Almost surely, 2^38735350631 is an apocalyptic number.

38735350631 is a deficient number, since it is larger than the sum of its proper divisors (1).

38735350631 is an equidigital number, since it uses as much as digits as its factorization.

38735350631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 38735350631 in words is "thirty-eight billion, seven hundred thirty-five million, three hundred fifty thousand, six hundred thirty-one".