21970486604 has 24 divisors (see below), whose sum is σ = 43767295488. Its totient is φ = 9552385040.

The previous prime is 21970486589. The next prime is 21970486613. The reversal of 21970486604 is 40668407912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10853972 + ... + 10855995.

It is an arithmetic number, because the mean of its divisors is an integer number (1823637312).

Almost surely, 2^21970486604 is an apocalyptic number.

It is an amenable number.

21970486604 is a deficient number, since it is larger than the sum of its proper divisors (21796808884).

21970486604 is a wasteful number, since it uses less digits than its factorization.

21970486604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21710005 (or 21710003 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 21970486604 in words is "twenty-one billion, nine hundred seventy million, four hundred eighty-six thousand, six hundred four".