19324431292 has 12 divisors (see below), whose sum is σ = 33842394936. Its totient is φ = 9655175600.

The previous prime is 19324431257. The next prime is 19324431307. The reversal of 19324431292 is 29213442391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753834 + ... + 1764817.

It is an arithmetic number, because the mean of its divisors is an integer number (2820199578).

Almost surely, 2^19324431292 is an apocalyptic number.

It is an amenable number.

19324431292 is a deficient number, since it is larger than the sum of its proper divisors (14517963644).

19324431292 is a wasteful number, since it uses less digits than its factorization.

19324431292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520028 (or 3520026 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The spelling of 19324431292 in words is "nineteen billion, three hundred twenty-four million, four hundred thirty-one thousand, two hundred ninety-two".