19730764232 has 16 divisors (see below), whose sum is σ = 37897505100. Its totient is φ = 9624762880.

The previous prime is 19730764219. The next prime is 19730764237. The reversal of 19730764232 is 23246703791.

It can be written as a sum of positive squares in 2 ways, for example, as 19665574756 + 65189476 = 140234^2 + 8074^2 .

It is not an unprimeable number, because it can be changed into a prime (19730764237) 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, 30077057 + ... + 30077712.

Almost surely, 2^19730764232 is an apocalyptic number.

It is an amenable number.

19730764232 is a deficient number, since it is larger than the sum of its proper divisors (18166740868).

19730764232 is a wasteful number, since it uses less digits than its factorization.

19730764232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60154816 (or 60154812 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 19730764232 in words is "nineteen billion, seven hundred thirty million, seven hundred sixty-four thousand, two hundred thirty-two".