441909959 has 2 divisors, whose sum is σ = 441909960. Its totient is φ = 441909958.

The previous prime is 441909943. The next prime is 441910039. The reversal of 441909959 is 959909144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441909959 - 2⁴ = 441909943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441909059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220954979 + 220954980.

It is an arithmetic number, because the mean of its divisors is an integer number (220954980).

Almost surely, 2^441909959 is an apocalyptic number.

441909959 is a deficient number, since it is larger than the sum of its proper divisors (1).

441909959 is an equidigital number, since it uses as much as digits as its factorization.

441909959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 441909959 is about 21021.6545257503. The cubic root of 441909959 is about 761.6894313548.

The spelling of 441909959 in words is "four hundred forty-one million, nine hundred nine thousand, nine hundred fifty-nine".