3219945433 has 2 divisors, whose sum is σ = 3219945434. Its totient is φ = 3219945432.

The previous prime is 3219945403. The next prime is 3219945439. The reversal of 3219945433 is 3345499123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3213529344 + 6416089 = 56688^2 + 2533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3219945433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3219945433.

It is not a weakly prime, because it can be changed into another prime (3219945439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609972716 + 1609972717.

It is an arithmetic number, because the mean of its divisors is an integer number (1609972717).

Almost surely, 2^3219945433 is an apocalyptic number.

It is an amenable number.

3219945433 is a deficient number, since it is larger than the sum of its proper divisors (1).

3219945433 is an equidigital number, since it uses as much as digits as its factorization.

3219945433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 43.

The square root of 3219945433 is about 56744.5630258970. The cubic root of 3219945433 is about 1476.6679104993.

The spelling of 3219945433 in words is "three billion, two hundred nineteen million, nine hundred forty-five thousand, four hundred thirty-three".