445076641309 has 2 divisors, whose sum is σ = 445076641310. Its totient is φ = 445076641308.

The previous prime is 445076641271. The next prime is 445076641349. The reversal of 445076641309 is 903146670544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443318935684 + 1757705625 = 665822^2 + 41925^2 .

It is a cyclic number.

It is not a de Polignac number, because 445076641309 - 2²⁵ = 445043086877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445076641349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222538320654 + 222538320655.

It is an arithmetic number, because the mean of its divisors is an integer number (222538320655).

Almost surely, 2^445076641309 is an apocalyptic number.

It is an amenable number.

445076641309 is a deficient number, since it is larger than the sum of its proper divisors (1).

445076641309 is an equidigital number, since it uses as much as digits as its factorization.

445076641309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 445076641309 in words is "four hundred forty-five billion, seventy-six million, six hundred forty-one thousand, three hundred nine".