3243582421309 has 2 divisors, whose sum is σ = 3243582421310. Its totient is φ = 3243582421308.

The previous prime is 3243582421297. The next prime is 3243582421369. The reversal of 3243582421309 is 9031242853423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3232005737284 + 11576684025 = 1797778^2 + 107595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243582421309 - 2⁷ = 3243582421181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243582421369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621791210654 + 1621791210655.

It is an arithmetic number, because the mean of its divisors is an integer number (1621791210655).

Almost surely, 2^{3243582421309} is an apocalyptic number.

It is an amenable number.

3243582421309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243582421309 is an equidigital number, since it uses as much as digits as its factorization.

3243582421309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 3243582421309 in words is "three trillion, two hundred forty-three billion, five hundred eighty-two million, four hundred twenty-one thousand, three hundred nine".