18468402379959 has 16 divisors (see below), whose sum is σ = 28142644527360. Its totient is φ = 10553253879360.

The previous prime is 18468402379957. The next prime is 18468402380041. The reversal of 18468402379959 is 95997320486481.

It is not a de Polignac number, because 18468402379959 - 2¹ = 18468402379957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18468402379957) 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, 3028989 + ... + 6790550.

It is an arithmetic number, because the mean of its divisors is an integer number (1758915282960).

It is a 1-persistent number, because it is pandigital, but 2⋅18468402379959 = 36936804759918 is not.

Almost surely, 2^{18468402379959} is an apocalyptic number.

18468402379959 is a deficient number, since it is larger than the sum of its proper divisors (9674242147401).

18468402379959 is an equidigital number, since it uses as much as digits as its factorization.

18468402379959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909110.

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 18468402379959 in words is "eighteen trillion, four hundred sixty-eight billion, four hundred two million, three hundred seventy-nine thousand, nine hundred fifty-nine".