445416199 has 2 divisors, whose sum is σ = 445416200. Its totient is φ = 445416198.

The previous prime is 445416197. The next prime is 445416211. The reversal of 445416199 is 991614544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445416199 - 2¹ = 445416197 is a prime.

Together with 445416197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445416197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222708099 + 222708100.

It is an arithmetic number, because the mean of its divisors is an integer number (222708100).

Almost surely, 2^445416199 is an apocalyptic number.

445416199 is a deficient number, since it is larger than the sum of its proper divisors (1).

445416199 is an equidigital number, since it uses as much as digits as its factorization.

445416199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 445416199 is about 21104.8856665939. The cubic root of 445416199 is about 763.6986141400.

The spelling of 445416199 in words is "four hundred forty-five million, four hundred sixteen thousand, one hundred ninety-nine".