447365323553 has 2 divisors, whose sum is σ = 447365323554. Its totient is φ = 447365323552.

The previous prime is 447365323511. The next prime is 447365323619. The reversal of 447365323553 is 355323563744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268498076224 + 178867247329 = 518168^2 + 422927^2 .

It is a cyclic number.

It is not a de Polignac number, because 447365323553 - 2⁸ = 447365323297 is a prime.

It is not a weakly prime, because it can be changed into another prime (447365323453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223682661776 + 223682661777.

It is an arithmetic number, because the mean of its divisors is an integer number (223682661777).

Almost surely, 2^447365323553 is an apocalyptic number.

It is an amenable number.

447365323553 is a deficient number, since it is larger than the sum of its proper divisors (1).

447365323553 is an equidigital number, since it uses as much as digits as its factorization.

447365323553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 50.

The spelling of 447365323553 in words is "four hundred forty-seven billion, three hundred sixty-five million, three hundred twenty-three thousand, five hundred fifty-three".