38924594681 has 8 divisors (see below), whose sum is σ = 44669839104. Its totient is φ = 33225497280.

The previous prime is 38924594671. The next prime is 38924594693. The reversal of 38924594681 is 18649542983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38924594681 - 2¹⁰ = 38924593657 is a prime.

It is a super-2 number, since 2×38924594681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38924594681.

It is not an unprimeable number, because it can be changed into a prime (38924594641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11534945 + ... + 11538318.

It is an arithmetic number, because the mean of its divisors is an integer number (5583729888).

Almost surely, 2^38924594681 is an apocalyptic number.

It is an amenable number.

38924594681 is a deficient number, since it is larger than the sum of its proper divisors (5745244423).

38924594681 is a wasteful number, since it uses less digits than its factorization.

38924594681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073511.

The product of its digits is 14929920, while the sum is 59.

The spelling of 38924594681 in words is "thirty-eight billion, nine hundred twenty-four million, five hundred ninety-four thousand, six hundred eighty-one".