19023765032 has 8 divisors (see below), whose sum is σ = 35669559450. Its totient is φ = 9511882512.

The previous prime is 19023764999. The next prime is 19023765097. The reversal of 19023765032 is 23056732091.

It can be written as a sum of positive squares in only one way, i.e., 18809025316 + 214739716 = 137146^2 + 14654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×19023765032² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1188985307 + ... + 1188985322.

Almost surely, 2^19023765032 is an apocalyptic number.

It is an amenable number.

19023765032 is a deficient number, since it is larger than the sum of its proper divisors (16645794418).

19023765032 is a wasteful number, since it uses less digits than its factorization.

19023765032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377970635 (or 2377970631 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 19023765032 in words is "nineteen billion, twenty-three million, seven hundred sixty-five thousand, thirty-two".