17044991955 has 48 divisors (see below), whose sum is σ = 30039819264. Its totient is φ = 8938797120.

The previous prime is 17044991921. The next prime is 17044991963. The reversal of 17044991955 is 55919944071.

It is a happy number.

17044991955 is a `hidden beast` number, since 1 + 7 + 0 + 449 + 9 + 195 + 5 = 666.

It is not a de Polignac number, because 17044991955 - 2⁹ = 17044991443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1764990 + ... + 1774620.

It is an arithmetic number, because the mean of its divisors is an integer number (625829568).

Almost surely, 2^17044991955 is an apocalyptic number.

17044991955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17044991955 is a deficient number, since it is larger than the sum of its proper divisors (12994827309).

17044991955 is a wasteful number, since it uses less digits than its factorization.

17044991955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10296 (or 10293 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 17044991955 in words is "seventeen billion, forty-four million, nine hundred ninety-one thousand, nine hundred fifty-five".