441345491 has 2 divisors, whose sum is σ = 441345492. Its totient is φ = 441345490.

The previous prime is 441345479. The next prime is 441345529. The reversal of 441345491 is 194543144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441345491 - 2¹⁰ = 441344467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441345691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220672745 + 220672746.

It is an arithmetic number, because the mean of its divisors is an integer number (220672746).

Almost surely, 2^441345491 is an apocalyptic number.

441345491 is a deficient number, since it is larger than the sum of its proper divisors (1).

441345491 is an equidigital number, since it uses as much as digits as its factorization.

441345491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 441345491 is about 21008.2243657097. The cubic root of 441345491 is about 761.3649817736.

The spelling of 441345491 in words is "four hundred forty-one million, three hundred forty-five thousand, four hundred ninety-one".