1972941868 has 12 divisors (see below), whose sum is σ = 3655745352. Its totient is φ = 928443200.

The previous prime is 1972941829. The next prime is 1972941871. The reversal of 1972941868 is 8681492791.

It is a happy number.

It is a super-2 number, since 2×1972941868² = 7784999229014658848, which contains 22 as substring.

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, 14506858 + ... + 14506993.

It is an arithmetic number, because the mean of its divisors is an integer number (304645446).

Almost surely, 2^1972941868 is an apocalyptic number.

It is an amenable number.

1972941868 is a deficient number, since it is larger than the sum of its proper divisors (1682803484).

1972941868 is a wasteful number, since it uses less digits than its factorization.

1972941868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29013872 (or 29013870 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 1972941868 is about 44417.8102566977. The cubic root of 1972941868 is about 1254.2133804896.

The spelling of 1972941868 in words is "one billion, nine hundred seventy-two million, nine hundred forty-one thousand, eight hundred sixty-eight".