18287435010239 has 2 divisors, whose sum is σ = 18287435010240. Its totient is φ = 18287435010238.

The previous prime is 18287435010227. The next prime is 18287435010241. The reversal of 18287435010239 is 93201053478281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18287435010239 - 2²⁸ = 18287166574783 is a prime.

Together with 18287435010241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18287435010269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9143717505119 + 9143717505120.

It is an arithmetic number, because the mean of its divisors is an integer number (9143717505120).

Almost surely, 2^{18287435010239} is an apocalyptic number.

18287435010239 is a deficient number, since it is larger than the sum of its proper divisors (1).

18287435010239 is an equidigital number, since it uses as much as digits as its factorization.

18287435010239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 18287435010239 in words is "eighteen trillion, two hundred eighty-seven billion, four hundred thirty-five million, ten thousand, two hundred thirty-nine".