17319705912 has 48 divisors (see below), whose sum is σ = 47792595240. Its totient is φ = 5664305088.

The previous prime is 17319705901. The next prime is 17319705929. The reversal of 17319705912 is 21950791371.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2265538 + ... + 2273169.

Almost surely, 2^17319705912 is an apocalyptic number.

17319705912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17319705912 is an abundant number, since it is smaller than the sum of its proper divisors (30472889328).

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

17319705912 is a wasteful number, since it uses less digits than its factorization.

17319705912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538772 (or 4538765 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The spelling of 17319705912 in words is "seventeen billion, three hundred nineteen million, seven hundred five thousand, nine hundred twelve".