18350930999 has 8 divisors (see below), whose sum is σ = 18452589792. Its totient is φ = 18249546240.

The previous prime is 18350930981. The next prime is 18350931017. The reversal of 18350930999 is 99903905381.

It is an interprime number because it is at equal distance from previous prime (18350930981) and next prime (18350931017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18350930999 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 (18350930929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66527 + ... + 202799.

It is an arithmetic number, because the mean of its divisors is an integer number (2306573724).

Almost surely, 2^18350930999 is an apocalyptic number.

18350930999 is a deficient number, since it is larger than the sum of its proper divisors (101658793).

18350930999 is a wasteful number, since it uses less digits than its factorization.

18350930999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137017.

The product of its (nonzero) digits is 2361960, while the sum is 56.

The spelling of 18350930999 in words is "eighteen billion, three hundred fifty million, nine hundred thirty thousand, nine hundred ninety-nine".