3039734021 has 2 divisors, whose sum is σ = 3039734022. Its totient is φ = 3039734020.

The previous prime is 3039733999. The next prime is 3039734023. The reversal of 3039734021 is 1204379303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970116996 + 1069617025 = 44386^2 + 32705^2 .

It is a cyclic number.

It is not a de Polignac number, because 3039734021 - 2²⁶ = 2972625157 is a prime.

Together with 3039734023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3039734023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519867010 + 1519867011.

It is an arithmetic number, because the mean of its divisors is an integer number (1519867011).

Almost surely, 2^3039734021 is an apocalyptic number.

It is an amenable number.

3039734021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3039734021 is an equidigital number, since it uses as much as digits as its factorization.

3039734021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3039734021 is about 55133.7829375057. The cubic root of 3039734021 is about 1448.5890390459.

The spelling of 3039734021 in words is "three billion, thirty-nine million, seven hundred thirty-four thousand, twenty-one".