18413961299 has 8 divisors (see below), whose sum is σ = 19222479360. Its totient is φ = 17606102536.

The previous prime is 18413961289. The next prime is 18413961311. The reversal of 18413961299 is 99216931481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18413961299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18413961299.

It is not an unprimeable number, because it can be changed into a prime (18413961229) 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, 107309 + ... + 219870.

It is an arithmetic number, because the mean of its divisors is an integer number (2402809920).

Almost surely, 2^18413961299 is an apocalyptic number.

18413961299 is a deficient number, since it is larger than the sum of its proper divisors (808518061).

18413961299 is a wasteful number, since it uses less digits than its factorization.

18413961299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329649.

The product of its digits is 839808, while the sum is 53.

The spelling of 18413961299 in words is "eighteen billion, four hundred thirteen million, nine hundred sixty-one thousand, two hundred ninety-nine".