441419969 has 2 divisors, whose sum is σ = 441419970. Its totient is φ = 441419968.

The previous prime is 441419963. The next prime is 441420037. The reversal of 441419969 is 969914144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358609969 + 82810000 = 18937^2 + 9100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441419969 is a prime.

It is a super-2 number, since 2×441419969² = 389703178063921922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441419963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220709984 + 220709985.

It is an arithmetic number, because the mean of its divisors is an integer number (220709985).

Almost surely, 2^441419969 is an apocalyptic number.

It is an amenable number.

441419969 is a deficient number, since it is larger than the sum of its proper divisors (1).

441419969 is an equidigital number, since it uses as much as digits as its factorization.

441419969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 441419969 is about 21009.9968824367. The cubic root of 441419969 is about 761.4078066903.

The spelling of 441419969 in words is "four hundred forty-one million, four hundred nineteen thousand, nine hundred sixty-nine".