17149381445 has 16 divisors (see below), whose sum is σ = 23522252160. Its totient is φ = 11758025664.

The previous prime is 17149381433. The next prime is 17149381471. The reversal of 17149381445 is 54418394171.

It is not a de Polignac number, because 17149381445 - 2⁴ = 17149381429 is a prime.

It is a super-2 number, since 2×17149381445² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17149381445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279359 + ... + 335171.

It is an arithmetic number, because the mean of its divisors is an integer number (1470140760).

Almost surely, 2^17149381445 is an apocalyptic number.

It is an amenable number.

17149381445 is a deficient number, since it is larger than the sum of its proper divisors (6372870715).

17149381445 is an equidigital number, since it uses as much as digits as its factorization.

17149381445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64604.

The product of its digits is 483840, while the sum is 47.

The spelling of 17149381445 in words is "seventeen billion, one hundred forty-nine million, three hundred eighty-one thousand, four hundred forty-five".