21058263004 has 12 divisors (see below), whose sum is σ = 36865483200. Its totient is φ = 10525267808.

The previous prime is 21058262999. The next prime is 21058263041. The reversal of 21058263004 is 40036285012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953644 + ... + 975475.

It is an arithmetic number, because the mean of its divisors is an integer number (3072123600).

Almost surely, 2^21058263004 is an apocalyptic number.

It is an amenable number.

21058263004 is a deficient number, since it is larger than the sum of its proper divisors (15807220196).

21058263004 is a wasteful number, since it uses less digits than its factorization.

21058263004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931852 (or 1931850 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 21058263004 in words is "twenty-one billion, fifty-eight million, two hundred sixty-three thousand, four".