445062636377257 has 2 divisors, whose sum is σ = 445062636377258. Its totient is φ = 445062636377256.

The previous prime is 445062636377197. The next prime is 445062636377329. The reversal of 445062636377257 is 752773636260544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444601515251776 + 461121125481 = 21085576^2 + 679059^2 .

It is a cyclic number.

It is not a de Polignac number, because 445062636377257 - 2⁷ = 445062636377129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445062636377192 and 445062636377201.

It is not a weakly prime, because it can be changed into another prime (445062636377857) 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, 222531318188628 + 222531318188629.

It is an arithmetic number, because the mean of its divisors is an integer number (222531318188629).

Almost surely, 2^{445062636377257} is an apocalyptic number.

It is an amenable number.

445062636377257 is a deficient number, since it is larger than the sum of its proper divisors (1).

445062636377257 is an equidigital number, since it uses as much as digits as its factorization.

445062636377257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1066867200, while the sum is 67.

The spelling of 445062636377257 in words is "four hundred forty-five trillion, sixty-two billion, six hundred thirty-six million, three hundred seventy-seven thousand, two hundred fifty-seven".