19936982404 has 24 divisors (see below), whose sum is σ = 35967143520. Its totient is φ = 9665285184.

The previous prime is 19936982389. The next prime is 19936982453. The reversal of 19936982404 is 40428963991.

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, 561394 + ... + 595849.

It is an arithmetic number, because the mean of its divisors is an integer number (1498630980).

Almost surely, 2^19936982404 is an apocalyptic number.

It is an amenable number.

19936982404 is a deficient number, since it is larger than the sum of its proper divisors (16030161116).

19936982404 is a wasteful number, since it uses less digits than its factorization.

19936982404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157379 (or 1157377 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 19936982404 in words is "nineteen billion, nine hundred thirty-six million, nine hundred eighty-two thousand, four hundred four".