918211910299 has 2 divisors, whose sum is σ = 918211910300. Its totient is φ = 918211910298.

The previous prime is 918211910263. The next prime is 918211910309. The reversal of 918211910299 is 992019112819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 918211910299 - 2⁷ = 918211910171 is a prime.

It is a super-2 number, since 2×918211910299² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (918211920299) 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, 459105955149 + 459105955150.

It is an arithmetic number, because the mean of its divisors is an integer number (459105955150).

Almost surely, 2^918211910299 is an apocalyptic number.

918211910299 is a deficient number, since it is larger than the sum of its proper divisors (1).

918211910299 is an equidigital number, since it uses as much as digits as its factorization.

918211910299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 52.

The spelling of 918211910299 in words is "nine hundred eighteen billion, two hundred eleven million, nine hundred ten thousand, two hundred ninety-nine".