19675494924 has 12 divisors (see below), whose sum is σ = 45909488184. Its totient is φ = 6558498304.

The previous prime is 19675494899. The next prime is 19675495019. The reversal of 19675494924 is 42949457691.

It is a tau number, because it is divible by the number of its divisors (12).

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, 819812277 + ... + 819812300.

It is an arithmetic number, because the mean of its divisors is an integer number (3825790682).

Almost surely, 2^19675494924 is an apocalyptic number.

It is an amenable number.

19675494924 is an abundant number, since it is smaller than the sum of its proper divisors (26233993260).

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

19675494924 is a wasteful number, since it uses less digits than its factorization.

19675494924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639624584 (or 1639624582 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 19675494924 in words is "nineteen billion, six hundred seventy-five million, four hundred ninety-four thousand, nine hundred twenty-four".