38614907621 has 16 divisors (see below), whose sum is σ = 42951475200. Its totient is φ = 34549031088.

The previous prime is 38614907557. The next prime is 38614907623. The reversal of 38614907621 is 12670941683.

It is a cyclic number.

It is not a de Polignac number, because 38614907621 - 2⁶ = 38614907557 is a prime.

It is a super-2 number, since 2×38614907621² (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 (38614907623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524741 + ... + 593786.

It is an arithmetic number, because the mean of its divisors is an integer number (2684467200).

Almost surely, 2^38614907621 is an apocalyptic number.

It is an amenable number.

38614907621 is a deficient number, since it is larger than the sum of its proper divisors (4336567579).

38614907621 is a wasteful number, since it uses less digits than its factorization.

38614907621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118648.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 38614907621 in words is "thirty-eight billion, six hundred fourteen million, nine hundred seven thousand, six hundred twenty-one".