18265675079 has 4 divisors (see below), whose sum is σ = 18266841120. Its totient is φ = 18264509040.

The previous prime is 18265675069. The next prime is 18265675081. The reversal of 18265675079 is 97057656281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97057656281 = 19 ⋅5108297699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18265675079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18265675019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559199 + ... + 590960.

It is an arithmetic number, because the mean of its divisors is an integer number (4566710280).

Almost surely, 2^18265675079 is an apocalyptic number.

18265675079 is a deficient number, since it is larger than the sum of its proper divisors (1166041).

18265675079 is a wasteful number, since it uses less digits than its factorization.

18265675079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166040.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 18265675079 in words is "eighteen billion, two hundred sixty-five million, six hundred seventy-five thousand, seventy-nine".