18095630399 has 64 divisors (see below), whose sum is σ = 24611392512. Its totient is φ = 12872908800.

The previous prime is 18095630347. The next prime is 18095630407. The reversal of 18095630399 is 99303659081.

It is a Cunningham number, because it is equal to 134520²-1.

It is a cyclic number.

It is not a de Polignac number, because 18095630399 - 2¹⁶ = 18095564863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18095630399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095630309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10357244 + ... + 10358990.

It is an arithmetic number, because the mean of its divisors is an integer number (384553008).

Almost surely, 2^18095630399 is an apocalyptic number.

18095630399 is a deficient number, since it is larger than the sum of its proper divisors (6515762113).

18095630399 is a wasteful number, since it uses less digits than its factorization.

18095630399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 18095630399 in words is "eighteen billion, ninety-five million, six hundred thirty thousand, three hundred ninety-nine".