19434995832 has 48 divisors (see below), whose sum is σ = 56520144360. Its totient is φ = 5552855616.

The previous prime is 19434995813. The next prime is 19434995863. The reversal of 19434995832 is 23859943491.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8262003 + ... + 8264354.

Almost surely, 2^19434995832 is an apocalyptic number.

19434995832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19434995832 is an abundant number, since it is smaller than the sum of its proper divisors (37085148528).

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

19434995832 is a wasteful number, since it uses less digits than its factorization.

19434995832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526380 (or 16526369 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 19434995832 in words is "nineteen billion, four hundred thirty-four million, nine hundred ninety-five thousand, eight hundred thirty-two".