443324223913 has 2 divisors, whose sum is σ = 443324223914. Its totient is φ = 443324223912.

The previous prime is 443324223907. The next prime is 443324223919. The reversal of 443324223913 is 319322423344.

It is a balanced prime because it is at equal distance from previous prime (443324223907) and next prime (443324223919).

It can be written as a sum of positive squares in only one way, i.e., 441484500249 + 1839723664 = 664443^2 + 42892^2 .

It is a cyclic number.

It is not a de Polignac number, because 443324223913 - 2²¹ = 443322126761 is a prime.

It is a super-2 number, since 2×443324223913² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (443324223919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221662111956 + 221662111957.

It is an arithmetic number, because the mean of its divisors is an integer number (221662111957).

Almost surely, 2^443324223913 is an apocalyptic number.

It is an amenable number.

443324223913 is a deficient number, since it is larger than the sum of its proper divisors (1).

443324223913 is an equidigital number, since it uses as much as digits as its factorization.

443324223913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 40.

The spelling of 443324223913 in words is "four hundred forty-three billion, three hundred twenty-four million, two hundred twenty-three thousand, nine hundred thirteen".