441029009 has 2 divisors, whose sum is σ = 441029010. Its totient is φ = 441029008.

The previous prime is 441028999. The next prime is 441029047. The reversal of 441029009 is 900920144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296356225 + 144672784 = 17215^2 + 12028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441029009 is a prime.

It is not a weakly prime, because it can be changed into another prime (441029089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220514504 + 220514505.

It is an arithmetic number, because the mean of its divisors is an integer number (220514505).

Almost surely, 2^441029009 is an apocalyptic number.

It is an amenable number.

441029009 is a deficient number, since it is larger than the sum of its proper divisors (1).

441029009 is an equidigital number, since it uses as much as digits as its factorization.

441029009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 441029009 is about 21000.6906791182. The cubic root of 441029009 is about 761.1829505865.

The spelling of 441029009 in words is "four hundred forty-one million, twenty-nine thousand, nine".