441442649 has 2 divisors, whose sum is σ = 441442650. Its totient is φ = 441442648.

The previous prime is 441442627. The next prime is 441442663. The reversal of 441442649 is 946244144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379977049 + 61465600 = 19493^2 + 7840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441442649 is a prime.

It is a super-2 number, since 2×441442649² = 389743224712274402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (441442679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220721324 + 220721325.

It is an arithmetic number, because the mean of its divisors is an integer number (220721325).

Almost surely, 2^441442649 is an apocalyptic number.

It is an amenable number.

441442649 is a deficient number, since it is larger than the sum of its proper divisors (1).

441442649 is an equidigital number, since it uses as much as digits as its factorization.

441442649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 441442649 is about 21010.5366185636. The cubic root of 441442649 is about 761.4208467538.

The spelling of 441442649 in words is "four hundred forty-one million, four hundred forty-two thousand, six hundred forty-nine".