18076315193 has 2 divisors, whose sum is σ = 18076315194. Its totient is φ = 18076315192.

The previous prime is 18076315163. The next prime is 18076315199. The reversal of 18076315193 is 39151367081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17539558969 + 536756224 = 132437^2 + 23168^2 .

It is a cyclic number.

It is not a de Polignac number, because 18076315193 - 2⁸ = 18076314937 is a prime.

It is not a weakly prime, because it can be changed into another prime (18076315199) 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 as a sum of consecutive naturals, namely, 9038157596 + 9038157597.

It is an arithmetic number, because the mean of its divisors is an integer number (9038157597).

Almost surely, 2^18076315193 is an apocalyptic number.

It is an amenable number.

18076315193 is a deficient number, since it is larger than the sum of its proper divisors (1).

18076315193 is an equidigital number, since it uses as much as digits as its factorization.

18076315193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 18076315193 in words is "eighteen billion, seventy-six million, three hundred fifteen thousand, one hundred ninety-three".