38856397533 has 24 divisors (see below), whose sum is σ = 54965479296. Its totient is φ = 24400924800.

The previous prime is 38856397529. The next prime is 38856397607. The reversal of 38856397533 is 33579365883.

It is not a de Polignac number, because 38856397533 - 2² = 38856397529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38856397523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84373 + ... + 291258.

It is an arithmetic number, because the mean of its divisors is an integer number (2290228304).

Almost surely, 2^38856397533 is an apocalyptic number.

It is an amenable number.

38856397533 is a deficient number, since it is larger than the sum of its proper divisors (16109081763).

38856397533 is a wasteful number, since it uses less digits than its factorization.

38856397533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375733 (or 375704 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 60.

The spelling of 38856397533 in words is "thirty-eight billion, eight hundred fifty-six million, three hundred ninety-seven thousand, five hundred thirty-three".