445676126573 has 2 divisors, whose sum is σ = 445676126574. Its totient is φ = 445676126572.

The previous prime is 445676126561. The next prime is 445676126669. The reversal of 445676126573 is 375621676544.

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., 353212696489 + 92463430084 = 594317^2 + 304078^2 .

It is a cyclic number.

It is not a de Polignac number, because 445676126573 - 2¹⁰ = 445676125549 is a prime.

It is a super-2 number, since 2×445676126573² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445676126473) 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, 222838063286 + 222838063287.

It is an arithmetic number, because the mean of its divisors is an integer number (222838063287).

Almost surely, 2^445676126573 is an apocalyptic number.

It is an amenable number.

445676126573 is a deficient number, since it is larger than the sum of its proper divisors (1).

445676126573 is an equidigital number, since it uses as much as digits as its factorization.

445676126573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 56.

The spelling of 445676126573 in words is "four hundred forty-five billion, six hundred seventy-six million, one hundred twenty-six thousand, five hundred seventy-three".