18335097609 has 4 divisors (see below), whose sum is σ = 24446796816. Its totient is φ = 12223398404.

The previous prime is 18335097593. The next prime is 18335097629. The reversal of 18335097609 is 90679053381.

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 18335097609 - 2⁴ = 18335097593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18335097629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055849599 + ... + 3055849604.

It is an arithmetic number, because the mean of its divisors is an integer number (6111699204).

Almost surely, 2^18335097609 is an apocalyptic number.

It is an amenable number.

18335097609 is a deficient number, since it is larger than the sum of its proper divisors (6111699207).

18335097609 is an equidigital number, since it uses as much as digits as its factorization.

18335097609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111699206.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 18335097609 in words is "eighteen billion, three hundred thirty-five million, ninety-seven thousand, six hundred nine".