29998353231917 has 8 divisors (see below), whose sum is σ = 34284091455936. Its totient is φ = 25712679805632.

The previous prime is 29998353231911. The next prime is 29998353231943. The reversal of 29998353231917 is 71913235389992.

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

It is a cyclic number.

It is not a de Polignac number, because 29998353231917 - 2³⁶ = 29929633755181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29998353231911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15203303 + ... + 17062740.

It is an arithmetic number, because the mean of its divisors is an integer number (4285511431992).

Almost surely, 2^{29998353231917} is an apocalyptic number.

It is an amenable number.

29998353231917 is a deficient number, since it is larger than the sum of its proper divisors (4285738224019).

29998353231917 is a wasteful number, since it uses less digits than its factorization.

29998353231917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32398867.

The product of its digits is 198404640, while the sum is 71.

The spelling of 29998353231917 in words is "twenty-nine trillion, nine hundred ninety-eight billion, three hundred fifty-three million, two hundred thirty-one thousand, nine hundred seventeen".