3371841721 has 2 divisors, whose sum is σ = 3371841722. Its totient is φ = 3371841720.

The previous prime is 3371841713. The next prime is 3371841751. The reversal of 3371841721 is 1271481733.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253875625 + 1117966096 = 47475^2 + 33436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3371841721 - 2³ = 3371841713 is a prime.

It is a super-2 number, since 2×3371841721² = 22738633182952483682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3371841701) 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, 1685920860 + 1685920861.

It is an arithmetic number, because the mean of its divisors is an integer number (1685920861).

Almost surely, 2^3371841721 is an apocalyptic number.

It is an amenable number.

3371841721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3371841721 is an equidigital number, since it uses as much as digits as its factorization.

3371841721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 3371841721 is about 58067.5616932552. The cubic root of 3371841721 is about 1499.5319607895.

The spelling of 3371841721 in words is "three billion, three hundred seventy-one million, eight hundred forty-one thousand, seven hundred twenty-one".