443213062961 has 2 divisors, whose sum is σ = 443213062962. Its totient is φ = 443213062960.

The previous prime is 443213062939. The next prime is 443213062991. The reversal of 443213062961 is 169260312344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435210687025 + 8002375936 = 659705^2 + 89456^2 .

It is a cyclic number.

It is not a de Polignac number, because 443213062961 - 2¹⁸ = 443212800817 is a prime.

It is not a weakly prime, because it can be changed into another prime (443213062991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221606531480 + 221606531481.

It is an arithmetic number, because the mean of its divisors is an integer number (221606531481).

Almost surely, 2^443213062961 is an apocalyptic number.

It is an amenable number.

443213062961 is a deficient number, since it is larger than the sum of its proper divisors (1).

443213062961 is an equidigital number, since it uses as much as digits as its factorization.

443213062961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 443213062961 in words is "four hundred forty-three billion, two hundred thirteen million, sixty-two thousand, nine hundred sixty-one".