18195336119 has 4 divisors (see below), whose sum is σ = 18196049760. Its totient is φ = 18194622480.

The previous prime is 18195336097. The next prime is 18195336121. The reversal of 18195336119 is 91163359181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91163359181 = 4957 ⋅18390833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18195336119 is a prime.

It is a super-2 number, since 2×18195336119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18195336619) 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 3 ways as a sum of consecutive naturals, for example, 317102 + ... + 370059.

It is an arithmetic number, because the mean of its divisors is an integer number (4549012440).

Almost surely, 2^18195336119 is an apocalyptic number.

18195336119 is a deficient number, since it is larger than the sum of its proper divisors (713641).

18195336119 is an equidigital number, since it uses as much as digits as its factorization.

18195336119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713640.

The product of its digits is 174960, while the sum is 47.

The spelling of 18195336119 in words is "eighteen billion, one hundred ninety-five million, three hundred thirty-six thousand, one hundred nineteen".