18318573059 has 2 divisors, whose sum is σ = 18318573060. Its totient is φ = 18318573058.

The previous prime is 18318573029. The next prime is 18318573067. The reversal of 18318573059 is 95037581381.

It is a strong prime.

It is an emirp because it is prime and its reverse (95037581381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18318573059 - 2¹⁶ = 18318507523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18318572998 and 18318573016.

It is not a weakly prime, because it can be changed into another prime (18318573029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9159286529 + 9159286530.

It is an arithmetic number, because the mean of its divisors is an integer number (9159286530).

Almost surely, 2^18318573059 is an apocalyptic number.

18318573059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18318573059 is an equidigital number, since it uses as much as digits as its factorization.

18318573059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 18318573059 in words is "eighteen billion, three hundred eighteen million, five hundred seventy-three thousand, fifty-nine".