444859969 has 2 divisors, whose sum is σ = 444859970. Its totient is φ = 444859968.

The previous prime is 444859957. The next prime is 444859973. The reversal of 444859969 is 969958444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443649969 + 1210000 = 21063^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 444859969 - 2⁵ = 444859937 is a prime.

It is a super-2 number, since 2×444859969² = 395800784037361922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444859999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222429984 + 222429985.

It is an arithmetic number, because the mean of its divisors is an integer number (222429985).

Almost surely, 2^444859969 is an apocalyptic number.

It is an amenable number.

444859969 is a deficient number, since it is larger than the sum of its proper divisors (1).

444859969 is an equidigital number, since it uses as much as digits as its factorization.

444859969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 58.

The square root of 444859969 is about 21091.7037955685. The cubic root of 444859969 is about 763.3805827281.

The spelling of 444859969 in words is "four hundred forty-four million, eight hundred fifty-nine thousand, nine hundred sixty-nine".