38705373421 has 32 divisors (see below), whose sum is σ = 47472163200. Its totient is φ = 31071962880.

The previous prime is 38705373397. The next prime is 38705373439. The reversal of 38705373421 is 12437350783.

It is a cyclic number.

It is not a de Polignac number, because 38705373421 - 2⁷ = 38705373293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38705373121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409210 + ... + 494836.

It is an arithmetic number, because the mean of its divisors is an integer number (1483505100).

Almost surely, 2^38705373421 is an apocalyptic number.

It is an amenable number.

38705373421 is a deficient number, since it is larger than the sum of its proper divisors (8766789779).

38705373421 is a wasteful number, since it uses less digits than its factorization.

38705373421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85789.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 38705373421 in words is "thirty-eight billion, seven hundred five million, three hundred seventy-three thousand, four hundred twenty-one".