18098131969 has 16 divisors (see below), whose sum is σ = 18993761280. Its totient is φ = 17211839040.

The previous prime is 18098131913. The next prime is 18098131981. The reversal of 18098131969 is 96913189081.

It is a cyclic number.

It is not a de Polignac number, because 18098131969 - 2¹⁹ = 18097607681 is a prime.

It is a super-2 number, since 2×18098131969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18498131969) 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, 3344464 + ... + 3349870.

It is an arithmetic number, because the mean of its divisors is an integer number (1187110080).

Almost surely, 2^18098131969 is an apocalyptic number.

It is an amenable number.

18098131969 is a deficient number, since it is larger than the sum of its proper divisors (895629311).

18098131969 is a wasteful number, since it uses less digits than its factorization.

18098131969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 18098131969 in words is "eighteen billion, ninety-eight million, one hundred thirty-one thousand, nine hundred sixty-nine".