2918358881 has 2 divisors, whose sum is σ = 2918358882. Its totient is φ = 2918358880.

The previous prime is 2918358871. The next prime is 2918358929. The reversal of 2918358881 is 1888538192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2704000000 + 214358881 = 52000^2 + 14641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2918358881 is a prime.

It is a super-2 number, since 2×2918358881² = 17033637116623144322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2918358811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459179440 + 1459179441.

It is an arithmetic number, because the mean of its divisors is an integer number (1459179441).

Almost surely, 2^2918358881 is an apocalyptic number.

It is an amenable number.

2918358881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918358881 is an equidigital number, since it uses as much as digits as its factorization.

2918358881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 53.

The square root of 2918358881 is about 54021.8370753902. The cubic root of 2918358881 is about 1429.0460785553.

The spelling of 2918358881 in words is "two billion, nine hundred eighteen million, three hundred fifty-eight thousand, eight hundred eighty-one".