38731492269 has 24 divisors (see below), whose sum is σ = 57151729440. Its totient is φ = 25266844512.

The previous prime is 38731492259. The next prime is 38731492277. The reversal of 38731492269 is 96229413783.

38731492269 is a `hidden beast` number, since 387 + 31 + 4 + 9 + 226 + 9 = 666.

It is not a de Polignac number, because 38731492269 - 2²⁸ = 38463056813 is a prime.

It is a super-2 number, since 2×38731492269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38731492259) 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 in 23 ways as a sum of consecutive naturals, for example, 73662 + ... + 287904.

It is an arithmetic number, because the mean of its divisors is an integer number (2381322060).

Almost surely, 2^38731492269 is an apocalyptic number.

It is an amenable number.

38731492269 is a deficient number, since it is larger than the sum of its proper divisors (18420237171).

38731492269 is a wasteful number, since it uses less digits than its factorization.

38731492269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214681 (or 214678 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 38731492269 in words is "thirty-eight billion, seven hundred thirty-one million, four hundred ninety-two thousand, two hundred sixty-nine".