19461769432 has 24 divisors (see below), whose sum is σ = 42448503060. Its totient is φ = 8340758160.

The previous prime is 19461769429. The next prime is 19461769469. The reversal of 19461769432 is 23496716491.

It is a self number, because there is not a number n which added to its sum of digits gives 19461769432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24823294 + ... + 24824077.

Almost surely, 2^19461769432 is an apocalyptic number.

It is an amenable number.

19461769432 is an abundant number, since it is smaller than the sum of its proper divisors (22986733628).

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

19461769432 is a wasteful number, since it uses less digits than its factorization.

19461769432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49647391 (or 49647380 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The spelling of 19461769432 in words is "nineteen billion, four hundred sixty-one million, seven hundred sixty-nine thousand, four hundred thirty-two".