17291045109 has 16 divisors (see below), whose sum is σ = 25084133312. Its totient is φ = 10530943488.

The previous prime is 17291045081. The next prime is 17291045111. The reversal of 17291045109 is 90154019271.

It is not a de Polignac number, because 17291045109 - 2⁹ = 17291044597 is a prime.

It is a super-2 number, since 2×17291045109² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17291045309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281579 + ... + 2289144.

It is an arithmetic number, because the mean of its divisors is an integer number (1567758332).

Almost surely, 2^17291045109 is an apocalyptic number.

It is an amenable number.

17291045109 is a deficient number, since it is larger than the sum of its proper divisors (7793088203).

17291045109 is a wasteful number, since it uses less digits than its factorization.

17291045109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570836.

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 17291045109 in words is "seventeen billion, two hundred ninety-one million, forty-five thousand, one hundred nine".