918492222100309 has 2 divisors, whose sum is σ = 918492222100310. Its totient is φ = 918492222100308.

The previous prime is 918492222100249. The next prime is 918492222100337. The reversal of 918492222100309 is 903001222294819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903277658758084 + 15214563342225 = 30054578^2 + 3900585^2 .

It is a cyclic number.

It is not a de Polignac number, because 918492222100309 - 2²⁹ = 918491685229397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918492222109309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459246111050154 + 459246111050155.

It is an arithmetic number, because the mean of its divisors is an integer number (459246111050155).

Almost surely, 2^{918492222100309} is an apocalyptic number.

It is an amenable number.

918492222100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

918492222100309 is an equidigital number, since it uses as much as digits as its factorization.

918492222100309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 918492222100309 in words is "nine hundred eighteen trillion, four hundred ninety-two billion, two hundred twenty-two million, one hundred thousand, three hundred nine".