3021739121 has 2 divisors, whose sum is σ = 3021739122. Its totient is φ = 3021739120.

The previous prime is 3021739099. The next prime is 3021739169. The reversal of 3021739121 is 1219371203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297860096 + 723879025 = 47936^2 + 26905^2 .

It is an emirp because it is prime and its reverse (1219371203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3021739121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3021739921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510869560 + 1510869561.

It is an arithmetic number, because the mean of its divisors is an integer number (1510869561).

Almost surely, 2^3021739121 is an apocalyptic number.

It is an amenable number.

3021739121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3021739121 is an equidigital number, since it uses as much as digits as its factorization.

3021739121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 3021739121 is about 54970.3476521661. The cubic root of 3021739121 is about 1445.7248824086.

The spelling of 3021739121 in words is "three billion, twenty-one million, seven hundred thirty-nine thousand, one hundred twenty-one".