3427739321 has 2 divisors, whose sum is σ = 3427739322. Its totient is φ = 3427739320.

The previous prime is 3427739261. The next prime is 3427739333. The reversal of 3427739321 is 1239377243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2970250000 + 457489321 = 54500^2 + 21389^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427739321 - 2¹⁰ = 3427738297 is a prime.

It is not a weakly prime, because it can be changed into another prime (3427739351) 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, 1713869660 + 1713869661.

It is an arithmetic number, because the mean of its divisors is an integer number (1713869661).

Almost surely, 2^3427739321 is an apocalyptic number.

It is an amenable number.

3427739321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427739321 is an equidigital number, since it uses as much as digits as its factorization.

3427739321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 3427739321 is about 58546.8984746417. The cubic root of 3427739321 is about 1507.7728846766.

The spelling of 3427739321 in words is "three billion, four hundred twenty-seven million, seven hundred thirty-nine thousand, three hundred twenty-one".