19343954712 has 32 divisors (see below), whose sum is σ = 48363421680. Its totient is φ = 6447513600.

The previous prime is 19343954657. The next prime is 19343954737. The reversal of 19343954712 is 21745934391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499768 + ... + 537080.

Almost surely, 2^19343954712 is an apocalyptic number.

19343954712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19343954712 is an abundant number, since it is smaller than the sum of its proper divisors (29019466968).

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

19343954712 is a wasteful number, since it uses less digits than its factorization.

19343954712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58923 (or 58919 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The spelling of 19343954712 in words is "nineteen billion, three hundred forty-three million, nine hundred fifty-four thousand, seven hundred twelve".