444774419 has 2 divisors, whose sum is σ = 444774420. Its totient is φ = 444774418.

The previous prime is 444774409. The next prime is 444774427. The reversal of 444774419 is 914477444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444774419 - 2¹² = 444770323 is a prime.

It is a super-2 number, since 2×444774419² = 395648567593575122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444774419.

It is not a weakly prime, because it can be changed into another prime (444774409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222387209 + 222387210.

It is an arithmetic number, because the mean of its divisors is an integer number (222387210).

Almost surely, 2^444774419 is an apocalyptic number.

444774419 is a deficient number, since it is larger than the sum of its proper divisors (1).

444774419 is an equidigital number, since it uses as much as digits as its factorization.

444774419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 444774419 is about 21089.6756494736. The cubic root of 444774419 is about 763.3316449348.

The spelling of 444774419 in words is "four hundred forty-four million, seven hundred seventy-four thousand, four hundred nineteen".