18212734902259 has 2 divisors, whose sum is σ = 18212734902260. Its totient is φ = 18212734902258.

The previous prime is 18212734902227. The next prime is 18212734902293. The reversal of 18212734902259 is 95220943721281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18212734902259 - 2⁵ = 18212734902227 is a prime.

It is not a weakly prime, because it can be changed into another prime (18212734902209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9106367451129 + 9106367451130.

It is an arithmetic number, because the mean of its divisors is an integer number (9106367451130).

Almost surely, 2^{18212734902259} is an apocalyptic number.

18212734902259 is a deficient number, since it is larger than the sum of its proper divisors (1).

18212734902259 is an equidigital number, since it uses as much as digits as its factorization.

18212734902259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 18212734902259 in words is "eighteen trillion, two hundred twelve billion, seven hundred thirty-four million, nine hundred two thousand, two hundred fifty-nine".