3039984721 has 2 divisors, whose sum is σ = 3039984722. Its totient is φ = 3039984720.

The previous prime is 3039984691. The next prime is 3039984733. The reversal of 3039984721 is 1274899303.

3039984721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2418180625 + 621804096 = 49175^2 + 24936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3039984721 - 2²⁵ = 3006430289 is a prime.

It is not a weakly prime, because it can be changed into another prime (3039984791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519992360 + 1519992361.

It is an arithmetic number, because the mean of its divisors is an integer number (1519992361).

Almost surely, 2^3039984721 is an apocalyptic number.

It is an amenable number.

3039984721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3039984721 is an equidigital number, since it uses as much as digits as its factorization.

3039984721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 3039984721 is about 55136.0564512915. The cubic root of 3039984721 is about 1448.6288617504.

The spelling of 3039984721 in words is "three billion, thirty-nine million, nine hundred eighty-four thousand, seven hundred twenty-one".