17349299979 has 16 divisors (see below), whose sum is σ = 25240550400. Its totient is φ = 10512558560.

The previous prime is 17349299971. The next prime is 17349299987. The reversal of 17349299979 is 97999294371.

It is an interprime number because it is at equal distance from previous prime (17349299971) and next prime (17349299987).

It is a cyclic number.

It is not a de Polignac number, because 17349299979 - 2³ = 17349299971 is a prime.

It is a super-2 number, since 2×17349299979² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17349299971) 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, 116197 + ... + 219545.

It is an arithmetic number, because the mean of its divisors is an integer number (1577534400).

Almost surely, 2^17349299979 is an apocalyptic number.

17349299979 is a deficient number, since it is larger than the sum of its proper divisors (7891250421).

17349299979 is a wasteful number, since it uses less digits than its factorization.

17349299979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108450.

The product of its digits is 69441624, while the sum is 69.

The spelling of 17349299979 in words is "seventeen billion, three hundred forty-nine million, two hundred ninety-nine thousand, nine hundred seventy-nine".