445079997625873 has 2 divisors, whose sum is σ = 445079997625874. Its totient is φ = 445079997625872.

The previous prime is 445079997625859. The next prime is 445079997625909. The reversal of 445079997625873 is 378526799970544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233256220561984 + 211823777063889 = 15272728^2 + 14554167^2 .

It is a cyclic number.

It is not a de Polignac number, because 445079997625873 - 2²⁵ = 445079964071441 is a prime.

It is not a weakly prime, because it can be changed into another prime (445079997625853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222539998812936 + 222539998812937.

It is an arithmetic number, because the mean of its divisors is an integer number (222539998812937).

Almost surely, 2^{445079997625873} is an apocalyptic number.

It is an amenable number.

445079997625873 is a deficient number, since it is larger than the sum of its proper divisors (1).

445079997625873 is an equidigital number, since it uses as much as digits as its factorization.

445079997625873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28805414400, while the sum is 85.

The spelling of 445079997625873 in words is "four hundred forty-five trillion, seventy-nine billion, nine hundred ninety-seven million, six hundred twenty-five thousand, eight hundred seventy-three".