384002112921 has 16 divisors (see below), whose sum is σ = 586094469504. Its totient is φ = 219074131584.

The previous prime is 384002112853. The next prime is 384002112929. The reversal of 384002112921 is 129211200483.

It is not a de Polignac number, because 384002112921 - 2²⁵ = 383968558489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384002112929) 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, 14805370 + ... + 14831283.

It is an arithmetic number, because the mean of its divisors is an integer number (36630904344).

Almost surely, 2^384002112921 is an apocalyptic number.

It is an amenable number.

384002112921 is a deficient number, since it is larger than the sum of its proper divisors (202092356583).

384002112921 is a wasteful number, since it uses less digits than its factorization.

384002112921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29637280.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 384002112921 in words is "three hundred eighty-four billion, two million, one hundred twelve thousand, nine hundred twenty-one".