18255914029 has 4 divisors (see below), whose sum is σ = 18387251680. Its totient is φ = 18124576380.

The previous prime is 18255914023. The next prime is 18255914051. The reversal of 18255914029 is 92041955281.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18255914029 - 2¹⁵ = 18255881261 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 18255914029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18255914023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65668617 + ... + 65668894.

It is an arithmetic number, because the mean of its divisors is an integer number (4596812920).

Almost surely, 2^18255914029 is an apocalyptic number.

It is an amenable number.

18255914029 is a deficient number, since it is larger than the sum of its proper divisors (131337651).

18255914029 is a wasteful number, since it uses less digits than its factorization.

18255914029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131337650.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 18255914029 in words is "eighteen billion, two hundred fifty-five million, nine hundred fourteen thousand, twenty-nine".