38896508421 has 16 divisors (see below), whose sum is σ = 58006081920. Its totient is φ = 25759274400.

The previous prime is 38896508401. The next prime is 38896508423. The reversal of 38896508421 is 12480569883.

38896508421 is a `hidden beast` number, since 3 + 8 + 8 + 96 + 508 + 42 + 1 = 666.

It is not a de Polignac number, because 38896508421 - 2⁵ = 38896508389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38896508423) 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, 4766160 + ... + 4774313.

It is an arithmetic number, because the mean of its divisors is an integer number (3625380120).

Almost surely, 2^38896508421 is an apocalyptic number.

It is an amenable number.

38896508421 is a deficient number, since it is larger than the sum of its proper divisors (19109573499).

38896508421 is a wasteful number, since it uses less digits than its factorization.

38896508421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540633 (or 9540627 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 38896508421 in words is "thirty-eight billion, eight hundred ninety-six million, five hundred eight thousand, four hundred twenty-one".