38253861631 has 10 divisors (see below), whose sum is σ = 38750529232. Its totient is φ = 37763045640.

The previous prime is 38253861629. The next prime is 38253861673. The reversal of 38253861631 is 13616835283.

It is not a de Polignac number, because 38253861631 - 2¹ = 38253861629 is a prime.

It is a super-2 number, since 2×38253861631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38253861131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 141158026 + ... + 141158296.

Almost surely, 2^38253861631 is an apocalyptic number.

38253861631 is a deficient number, since it is larger than the sum of its proper divisors (496667601).

38253861631 is an frugal number, since it uses more digits than its factorization.

38253861631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 380 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 38253861631 in words is "thirty-eight billion, two hundred fifty-three million, eight hundred sixty-one thousand, six hundred thirty-one".