3284350721 has 2 divisors, whose sum is σ = 3284350722. Its totient is φ = 3284350720.

The previous prime is 3284350679. The next prime is 3284350739. The reversal of 3284350721 is 1270534823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2858506225 + 425844496 = 53465^2 + 20636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3284350721 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3284359721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642175360 + 1642175361.

It is an arithmetic number, because the mean of its divisors is an integer number (1642175361).

Almost surely, 2^3284350721 is an apocalyptic number.

It is an amenable number.

3284350721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3284350721 is an equidigital number, since it uses as much as digits as its factorization.

3284350721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 3284350721 is about 57309.2551077049. The cubic root of 3284350721 is about 1486.4484155861.

The spelling of 3284350721 in words is "three billion, two hundred eighty-four million, three hundred fifty thousand, seven hundred twenty-one".