38679048421 has 30 divisors (see below), whose sum is σ = 42876862042. Its totient is φ = 34882735680.

The previous prime is 38679048413. The next prime is 38679048449. The reversal of 38679048421 is 12484097683.

It can be written as a sum of positive squares in 15 ways, for example, as 7142616196 + 31536432225 = 84514^2 + 177585^2 .

It is not a de Polignac number, because 38679048421 - 2³ = 38679048413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38679018421) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 259590855 + ... + 259591003.

Almost surely, 2^38679048421 is an apocalyptic number.

It is an amenable number.

38679048421 is a deficient number, since it is larger than the sum of its proper divisors (4197813621).

38679048421 is an frugal number, since it uses more digits than its factorization.

38679048421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 38679048421 in words is "thirty-eight billion, six hundred seventy-nine million, forty-eight thousand, four hundred twenty-one".