444743322461 has 2 divisors, whose sum is σ = 444743322462. Its totient is φ = 444743322460.

The previous prime is 444743322433. The next prime is 444743322509. The reversal of 444743322461 is 164223347444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442930180900 + 1813141561 = 665530^2 + 42581^2 .

It is a cyclic number.

It is not a de Polignac number, because 444743322461 - 2¹⁸ = 444743060317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444743321461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222371661230 + 222371661231.

It is an arithmetic number, because the mean of its divisors is an integer number (222371661231).

Almost surely, 2^444743322461 is an apocalyptic number.

It is an amenable number.

444743322461 is a deficient number, since it is larger than the sum of its proper divisors (1).

444743322461 is an equidigital number, since it uses as much as digits as its factorization.

444743322461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 44.

The spelling of 444743322461 in words is "four hundred forty-four billion, seven hundred forty-three million, three hundred twenty-two thousand, four hundred sixty-one".