444454260077 has 2 divisors, whose sum is σ = 444454260078. Its totient is φ = 444454260076.

The previous prime is 444454260073. The next prime is 444454260149. The reversal of 444454260077 is 770062454444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381650892841 + 62803367236 = 617779^2 + 250606^2 .

It is a cyclic number.

It is not a de Polignac number, because 444454260077 - 2² = 444454260073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444454260073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222227130038 + 222227130039.

It is an arithmetic number, because the mean of its divisors is an integer number (222227130039).

Almost surely, 2^444454260077 is an apocalyptic number.

It is an amenable number.

444454260077 is a deficient number, since it is larger than the sum of its proper divisors (1).

444454260077 is an equidigital number, since it uses as much as digits as its factorization.

444454260077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 47.

The spelling of 444454260077 in words is "four hundred forty-four billion, four hundred fifty-four million, two hundred sixty thousand, seventy-seven".