17044991956 has 12 divisors (see below), whose sum is σ = 29829650368. Its totient is φ = 8522234712.

The previous prime is 17044991921. The next prime is 17044991963. The reversal of 17044991956 is 65919944071.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 17044991897 and 17044991906.

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, 218485 + ... + 286051.

Almost surely, 2^17044991956 is an apocalyptic number.

It is an amenable number.

17044991956 is a deficient number, since it is larger than the sum of its proper divisors (12784658412).

17044991956 is a wasteful number, since it uses less digits than its factorization.

17044991956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130638 (or 130636 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 17044991956 in words is "seventeen billion, forty-four million, nine hundred ninety-one thousand, nine hundred fifty-six".