2918068521 has 16 divisors (see below), whose sum is σ = 3911120640. Its totient is φ = 1935218000.

The previous prime is 2918068519. The next prime is 2918068567. The reversal of 2918068521 is 1258608192.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2918068521 - 2¹ = 2918068519 is a prime.

It is a super-2 number, since 2×2918068521² = 17030247786502254882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2918768521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765406 + ... + 769208.

It is an arithmetic number, because the mean of its divisors is an integer number (244445040).

Almost surely, 2^2918068521 is an apocalyptic number.

It is an amenable number.

2918068521 is a deficient number, since it is larger than the sum of its proper divisors (993052119).

2918068521 is a wasteful number, since it uses less digits than its factorization.

2918068521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 2918068521 is about 54019.1495767936. The cubic root of 2918068521 is about 1428.9986830158.

The spelling of 2918068521 in words is "two billion, nine hundred eighteen million, sixty-eight thousand, five hundred twenty-one".