441385697 has 2 divisors, whose sum is σ = 441385698. Its totient is φ = 441385696.

The previous prime is 441385687. The next prime is 441385699. The reversal of 441385697 is 796583144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421234576 + 20151121 = 20524^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 441385697 - 2¹⁰ = 441384673 is a prime.

Together with 441385699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441385699) 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, 220692848 + 220692849.

It is an arithmetic number, because the mean of its divisors is an integer number (220692849).

Almost surely, 2^441385697 is an apocalyptic number.

It is an amenable number.

441385697 is a deficient number, since it is larger than the sum of its proper divisors (1).

441385697 is an equidigital number, since it uses as much as digits as its factorization.

441385697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 441385697 is about 21009.1812548705. The cubic root of 441385697 is about 761.3881008580.

The spelling of 441385697 in words is "four hundred forty-one million, three hundred eighty-five thousand, six hundred ninety-seven".