17934403992 has 32 divisors (see below), whose sum is σ = 44969074800. Its totient is φ = 5960392704.

The previous prime is 17934403987. The next prime is 17934404017. The reversal of 17934403992 is 29930443971.

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, 1100617 + ... + 1116792.

Almost surely, 2^17934403992 is an apocalyptic number.

17934403992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17934403992 is an abundant number, since it is smaller than the sum of its proper divisors (27034670808).

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

17934403992 is a wasteful number, since it uses less digits than its factorization.

17934403992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217755 (or 2217751 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 17934403992 in words is "seventeen billion, nine hundred thirty-four million, four hundred three thousand, nine hundred ninety-two".