38850388831 has 2 divisors, whose sum is σ = 38850388832. Its totient is φ = 38850388830.

The previous prime is 38850388817. The next prime is 38850388859. The reversal of 38850388831 is 13888305883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38850388831 - 2²¹ = 38848291679 is a prime.

It is a super-2 number, since 2×38850388831² (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 (38850380831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19425194415 + 19425194416.

It is an arithmetic number, because the mean of its divisors is an integer number (19425194416).

Almost surely, 2^38850388831 is an apocalyptic number.

38850388831 is a deficient number, since it is larger than the sum of its proper divisors (1).

38850388831 is an equidigital number, since it uses as much as digits as its factorization.

38850388831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 38850388831 in words is "thirty-eight billion, eight hundred fifty million, three hundred eighty-eight thousand, eight hundred thirty-one".