918285017851 has 2 divisors, whose sum is σ = 918285017852. Its totient is φ = 918285017850.

The previous prime is 918285017849. The next prime is 918285017879. The reversal of 918285017851 is 158710582819.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 918285017851 - 2¹ = 918285017849 is a prime.

It is a super-2 number, since 2×918285017851² (a number of 25 digits) contains 22 as substring.

Together with 918285017849, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 918285017792 and 918285017801.

It is not a weakly prime, because it can be changed into another prime (918285017651) 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, 459142508925 + 459142508926.

It is an arithmetic number, because the mean of its divisors is an integer number (459142508926).

Almost surely, 2^918285017851 is an apocalyptic number.

918285017851 is a deficient number, since it is larger than the sum of its proper divisors (1).

918285017851 is an equidigital number, since it uses as much as digits as its factorization.

918285017851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 55.

The spelling of 918285017851 in words is "nine hundred eighteen billion, two hundred eighty-five million, seventeen thousand, eight hundred fifty-one".