445166253299 has 2 divisors, whose sum is σ = 445166253300. Its totient is φ = 445166253298.

The previous prime is 445166253263. The next prime is 445166253307. The reversal of 445166253299 is 992352661544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445166253299 - 2²⁸ = 444897817843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (445166253899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222583126649 + 222583126650.

It is an arithmetic number, because the mean of its divisors is an integer number (222583126650).

Almost surely, 2^445166253299 is an apocalyptic number.

445166253299 is a deficient number, since it is larger than the sum of its proper divisors (1).

445166253299 is an equidigital number, since it uses as much as digits as its factorization.

445166253299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 56.

The spelling of 445166253299 in words is "four hundred forty-five billion, one hundred sixty-six million, two hundred fifty-three thousand, two hundred ninety-nine".