38169590421 has 8 divisors (see below), whose sum is σ = 50898857344. Its totient is φ = 25443358560.

The previous prime is 38169590419. The next prime is 38169590429. The reversal of 38169590421 is 12409596183.

38169590421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38169590421 - 2¹ = 38169590419 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 (38169590429) 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, 729256 + ... + 779841.

It is an arithmetic number, because the mean of its divisors is an integer number (6362357168).

Almost surely, 2^38169590421 is an apocalyptic number.

It is an amenable number.

38169590421 is a deficient number, since it is larger than the sum of its proper divisors (12729266923).

38169590421 is a wasteful number, since it uses less digits than its factorization.

38169590421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517531.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 38169590421 in words is "thirty-eight billion, one hundred sixty-nine million, five hundred ninety thousand, four hundred twenty-one".