18214071369 has 16 divisors (see below), whose sum is σ = 26468645952. Its totient is φ = 11073613248.

The previous prime is 18214071353. The next prime is 18214071397. The reversal of 18214071369 is 96317041281.

It is a happy number.

It is not a de Polignac number, because 18214071369 - 2⁴ = 18214071353 is a prime.

It is a super-2 number, since 2×18214071369² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18214071369.

It is not an unprimeable number, because it can be changed into a prime (18214071569) 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, 2810182 + ... + 2816655.

It is an arithmetic number, because the mean of its divisors is an integer number (1654290372).

Almost surely, 2^18214071369 is an apocalyptic number.

It is an amenable number.

18214071369 is a deficient number, since it is larger than the sum of its proper divisors (8254574583).

18214071369 is a wasteful number, since it uses less digits than its factorization.

18214071369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626936.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 18214071369 in words is "eighteen billion, two hundred fourteen million, seventy-one thousand, three hundred sixty-nine".