17109309489 has 8 divisors (see below), whose sum is σ = 22897218240. Its totient is φ = 11363803536.

The previous prime is 17109309461. The next prime is 17109309499. The reversal of 17109309489 is 98490390171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17109309489 - 2⁵ = 17109309457 is a prime.

It is a super-2 number, since 2×17109309489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17109309499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10599757 + ... + 10601370.

It is an arithmetic number, because the mean of its divisors is an integer number (2862152280).

Almost surely, 2^17109309489 is an apocalyptic number.

It is an amenable number.

17109309489 is a deficient number, since it is larger than the sum of its proper divisors (5787908751).

17109309489 is a wasteful number, since it uses less digits than its factorization.

17109309489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201399.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 17109309489 in words is "seventeen billion, one hundred nine million, three hundred nine thousand, four hundred eighty-nine".