3221303442989 has 2 divisors, whose sum is σ = 3221303442990. Its totient is φ = 3221303442988.

The previous prime is 3221303442967. The next prime is 3221303443069. The reversal of 3221303442989 is 9892443031223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2802500320489 + 418803122500 = 1674067^2 + 647150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221303442989 - 2³² = 3217008475693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221303441989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610651721494 + 1610651721495.

It is an arithmetic number, because the mean of its divisors is an integer number (1610651721495).

Almost surely, 2^{3221303442989} is an apocalyptic number.

It is an amenable number.

3221303442989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221303442989 is an equidigital number, since it uses as much as digits as its factorization.

3221303442989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 3221303442989 in words is "three trillion, two hundred twenty-one billion, three hundred three million, four hundred forty-two thousand, nine hundred eighty-nine".