445222524024689 has 2 divisors, whose sum is σ = 445222524024690. Its totient is φ = 445222524024688.

The previous prime is 445222524024547. The next prime is 445222524024697. The reversal of 445222524024689 is 986420425222544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407034660010000 + 38187864014689 = 20175100^2 + 6179633^2 .

It is a cyclic number.

It is not a de Polignac number, because 445222524024689 - 2⁸ = 445222524024433 is a prime.

It is not a weakly prime, because it can be changed into another prime (445222524024389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222611262012344 + 222611262012345.

It is an arithmetic number, because the mean of its divisors is an integer number (222611262012345).

Almost surely, 2^{445222524024689} is an apocalyptic number.

It is an amenable number.

445222524024689 is a deficient number, since it is larger than the sum of its proper divisors (1).

445222524024689 is an equidigital number, since it uses as much as digits as its factorization.

445222524024689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88473600, while the sum is 59.

The spelling of 445222524024689 in words is "four hundred forty-five trillion, two hundred twenty-two billion, five hundred twenty-four million, twenty-four thousand, six hundred eighty-nine".