444453199 has 2 divisors, whose sum is σ = 444453200. Its totient is φ = 444453198.

The previous prime is 444453133. The next prime is 444453209. The reversal of 444453199 is 991354444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444453199 is a prime.

It is a super-2 number, since 2×444453199² = 395077292202667202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444450199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222226599 + 222226600.

It is an arithmetic number, because the mean of its divisors is an integer number (222226600).

Almost surely, 2^444453199 is an apocalyptic number.

444453199 is a deficient number, since it is larger than the sum of its proper divisors (1).

444453199 is an equidigital number, since it uses as much as digits as its factorization.

444453199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 444453199 is about 21082.0586992827. The cubic root of 444453199 is about 763.1478390682.

The spelling of 444453199 in words is "four hundred forty-four million, four hundred fifty-three thousand, one hundred ninety-nine".