38072931841 has 12 divisors (see below), whose sum is σ = 44302854420. Its totient is φ = 32623674720.

The previous prime is 38072931833. The next prime is 38072931881. The reversal of 38072931841 is 14813927083.

It can be written as a sum of positive squares in 2 ways, for example, as 12275753616 + 25797178225 = 110796^2 + 160615^2 .

It is not a de Polignac number, because 38072931841 - 2³ = 38072931833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38072931791 and 38072931800.

It is not an unprimeable number, because it can be changed into a prime (38072931881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37215 + ... + 278443.

It is an arithmetic number, because the mean of its divisors is an integer number (3691904535).

Almost surely, 2^38072931841 is an apocalyptic number.

It is an amenable number.

38072931841 is a deficient number, since it is larger than the sum of its proper divisors (6229922579).

38072931841 is a wasteful number, since it uses less digits than its factorization.

38072931841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244464 (or 244457 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 38072931841 in words is "thirty-eight billion, seventy-two million, nine hundred thirty-one thousand, eight hundred forty-one".