1979320912 has 20 divisors (see below), whose sum is σ = 3839013216. Its totient is φ = 988607840.

The previous prime is 1979320873. The next prime is 1979320921. The reversal of 1979320912 is 2190239791.

It is a super-2 number, since 2×1979320912² = 7835422545361023488, which contains 22 as substring.

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, 50164 + ... + 80467.

Almost surely, 2^1979320912 is an apocalyptic number.

It is an amenable number.

1979320912 is a deficient number, since it is larger than the sum of its proper divisors (1859692304).

1979320912 is a wasteful number, since it uses less digits than its factorization.

1979320912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131586 (or 131580 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1979320912 is about 44489.5595842440. The cubic root of 1979320912 is about 1255.5636610273.

The spelling of 1979320912 in words is "one billion, nine hundred seventy-nine million, three hundred twenty thousand, nine hundred twelve".