19682957836 has 12 divisors (see below), whose sum is σ = 35632941120. Its totient is φ = 9502117520.

The previous prime is 19682957809. The next prime is 19682957837. The reversal of 19682957836 is 63875928691.

It is not an unprimeable number, because it can be changed into a prime (19682957837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84840220 + ... + 84840451.

It is an arithmetic number, because the mean of its divisors is an integer number (2969411760).

Almost surely, 2^19682957836 is an apocalyptic number.

It is an amenable number.

19682957836 is a deficient number, since it is larger than the sum of its proper divisors (15949983284).

19682957836 is a wasteful number, since it uses less digits than its factorization.

19682957836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169680704 (or 169680702 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

The spelling of 19682957836 in words is "nineteen billion, six hundred eighty-two million, nine hundred fifty-seven thousand, eight hundred thirty-six".