2999021213 has 2 divisors, whose sum is σ = 2999021214. Its totient is φ = 2999021212.

The previous prime is 2999021183. The next prime is 2999021269. The reversal of 2999021213 is 3121209992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534316964 + 464704249 = 50342^2 + 21557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2999021213 - 2⁶ = 2999021149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2999021513) 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, 1499510606 + 1499510607.

It is an arithmetic number, because the mean of its divisors is an integer number (1499510607).

Almost surely, 2^2999021213 is an apocalyptic number.

It is an amenable number.

2999021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999021213 is an equidigital number, since it uses as much as digits as its factorization.

2999021213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2999021213 is about 54763.3199596226. The cubic root of 2999021213 is about 1442.0927026762.

The spelling of 2999021213 in words is "two billion, nine hundred ninety-nine million, twenty-one thousand, two hundred thirteen".