19473911232 has 28 divisors (see below), whose sum is σ = 51524723976. Its totient is φ = 6491303680.

The previous prime is 19473911201. The next prime is 19473911279. The reversal of 19473911232 is 23211937491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50713119 + ... + 50713502.

Almost surely, 2^19473911232 is an apocalyptic number.

19473911232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19473911232 is an abundant number, since it is smaller than the sum of its proper divisors (32050812744).

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

19473911232 is a wasteful number, since it uses less digits than its factorization.

19473911232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101426636 (or 101426626 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The spelling of 19473911232 in words is "nineteen billion, four hundred seventy-three million, nine hundred eleven thousand, two hundred thirty-two".