19672530788 has 12 divisors (see below), whose sum is σ = 35227555440. Its totient is φ = 9607514952.

The previous prime is 19672530749. The next prime is 19672530791. The reversal of 19672530788 is 88703527691.

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, 57187418 + ... + 57187761.

It is an arithmetic number, because the mean of its divisors is an integer number (2935629620).

Almost surely, 2^19672530788 is an apocalyptic number.

It is an amenable number.

19672530788 is a deficient number, since it is larger than the sum of its proper divisors (15555024652).

19672530788 is a wasteful number, since it uses less digits than its factorization.

19672530788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114375226 (or 114375224 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 19672530788 in words is "nineteen billion, six hundred seventy-two million, five hundred thirty thousand, seven hundred eighty-eight".