3219964961 has 2 divisors, whose sum is σ = 3219964962. Its totient is φ = 3219964960.

The previous prime is 3219964931. The next prime is 3219964973. The reversal of 3219964961 is 1694699123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1793014336 + 1426950625 = 42344^2 + 37775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3219964961 - 2¹⁴ = 3219948577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3219964901) 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, 1609982480 + 1609982481.

It is an arithmetic number, because the mean of its divisors is an integer number (1609982481).

Almost surely, 2^3219964961 is an apocalyptic number.

It is an amenable number.

3219964961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3219964961 is an equidigital number, since it uses as much as digits as its factorization.

3219964961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 3219964961 is about 56744.7350949848. The cubic root of 3219964961 is about 1476.6708956754.

The spelling of 3219964961 in words is "three billion, two hundred nineteen million, nine hundred sixty-four thousand, nine hundred sixty-one".