441412091 has 2 divisors, whose sum is σ = 441412092. Its totient is φ = 441412090.

The previous prime is 441412087. The next prime is 441412141. The reversal of 441412091 is 190214144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441412091 - 2² = 441412087 is a prime.

It is a super-3 number, since 3×441412091³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 441412091.

It is not a weakly prime, because it can be changed into another prime (441412061) 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, 220706045 + 220706046.

It is an arithmetic number, because the mean of its divisors is an integer number (220706046).

Almost surely, 2^441412091 is an apocalyptic number.

441412091 is a deficient number, since it is larger than the sum of its proper divisors (1).

441412091 is an equidigital number, since it uses as much as digits as its factorization.

441412091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 441412091 is about 21009.8093994210. The cubic root of 441412091 is about 761.4032770611.

The spelling of 441412091 in words is "four hundred forty-one million, four hundred twelve thousand, ninety-one".