19498804824 has 32 divisors (see below), whose sum is σ = 50319498240. Its totient is φ = 6289936800.

The previous prime is 19498804799. The next prime is 19498804931. The reversal of 19498804824 is 42840889491.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13103292 + ... + 13104779.

It is an arithmetic number, because the mean of its divisors is an integer number (1572484320).

Almost surely, 2^19498804824 is an apocalyptic number.

It is an amenable number.

19498804824 is an abundant number, since it is smaller than the sum of its proper divisors (30820693416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19498804824 is a wasteful number, since it uses less digits than its factorization.

19498804824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26208111 (or 26208107 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 19498804824 in words is "nineteen billion, four hundred ninety-eight million, eight hundred four thousand, eight hundred twenty-four".