18083150243 has 2 divisors, whose sum is σ = 18083150244. Its totient is φ = 18083150242.

The previous prime is 18083150209. The next prime is 18083150329. The reversal of 18083150243 is 34205138081.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18083150243 - 2⁶ = 18083150179 is a prime.

It is not a weakly prime, because it can be changed into another prime (18083150443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041575121 + 9041575122.

It is an arithmetic number, because the mean of its divisors is an integer number (9041575122).

Almost surely, 2^18083150243 is an apocalyptic number.

18083150243 is a deficient number, since it is larger than the sum of its proper divisors (1).

18083150243 is an equidigital number, since it uses as much as digits as its factorization.

18083150243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 18083150243 in words is "eighteen billion, eighty-three million, one hundred fifty thousand, two hundred forty-three".