18286998983147 has 2 divisors, whose sum is σ = 18286998983148. Its totient is φ = 18286998983146.

The previous prime is 18286998983131. The next prime is 18286998983179. The reversal of 18286998983147 is 74138989968281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18286998983147 - 2⁴ = 18286998983131 is a prime.

It is not a weakly prime, because it can be changed into another prime (18286998983047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9143499491573 + 9143499491574.

It is an arithmetic number, because the mean of its divisors is an integer number (9143499491574).

Almost surely, 2^{18286998983147} is an apocalyptic number.

18286998983147 is a deficient number, since it is larger than the sum of its proper divisors (1).

18286998983147 is an equidigital number, since it uses as much as digits as its factorization.

18286998983147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3009871872, while the sum is 83.

The spelling of 18286998983147 in words is "eighteen trillion, two hundred eighty-six billion, nine hundred ninety-eight million, nine hundred eighty-three thousand, one hundred forty-seven".