2993991089 has 2 divisors, whose sum is σ = 2993991090. Its totient is φ = 2993991088.

The previous prime is 2993991071. The next prime is 2993991103. The reversal of 2993991089 is 9801993992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2496701089 + 497290000 = 49967^2 + 22300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2993991089 is a prime.

It is a super-2 number, since 2×2993991089² = 17927965282022811842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2993991589) 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 as a sum of consecutive naturals, namely, 1496995544 + 1496995545.

It is an arithmetic number, because the mean of its divisors is an integer number (1496995545).

Almost surely, 2^2993991089 is an apocalyptic number.

It is an amenable number.

2993991089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2993991089 is an equidigital number, since it uses as much as digits as its factorization.

2993991089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The square root of 2993991089 is about 54717.3746537606. The cubic root of 2993991089 is about 1441.2859989850.

The spelling of 2993991089 in words is "two billion, nine hundred ninety-three million, nine hundred ninety-one thousand, eighty-nine".