18479097299 has 18 divisors (see below), whose sum is σ = 20917833300. Its totient is φ = 16315913328.

The previous prime is 18479097293. The next prime is 18479097317. The reversal of 18479097299 is 99279097481.

It is not a de Polignac number, because 18479097299 - 2⁴ = 18479097283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18479097293) 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 17 ways as a sum of consecutive naturals, for example, 13949 + ... + 192750.

It is an arithmetic number, because the mean of its divisors is an integer number (1162101850).

Almost surely, 2^18479097299 is an apocalyptic number.

18479097299 is a deficient number, since it is larger than the sum of its proper divisors (2438736001).

18479097299 is a wasteful number, since it uses less digits than its factorization.

18479097299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206771 (or 206735 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 65.

The spelling of 18479097299 in words is "eighteen billion, four hundred seventy-nine million, ninety-seven thousand, two hundred ninety-nine".