444070817 has 2 divisors, whose sum is σ = 444070818. Its totient is φ = 444070816.

The previous prime is 444070813. The next prime is 444070819. The reversal of 444070817 is 718070444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433305856 + 10764961 = 20816^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 444070817 - 2² = 444070813 is a prime.

It is a super-2 number, since 2×444070817² = 394397781022094978, which contains 22 as substring.

Together with 444070819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444070813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222035408 + 222035409.

It is an arithmetic number, because the mean of its divisors is an integer number (222035409).

Almost surely, 2^444070817 is an apocalyptic number.

It is an amenable number.

444070817 is a deficient number, since it is larger than the sum of its proper divisors (1).

444070817 is an equidigital number, since it uses as much as digits as its factorization.

444070817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 444070817 is about 21072.9878517499. The cubic root of 444070817 is about 762.9289200876.

It can be divided in two parts, 4440 and 70817, that added together give a palindrome (75257).

The spelling of 444070817 in words is "four hundred forty-four million, seventy thousand, eight hundred seventeen".