441964517 has 2 divisors, whose sum is σ = 441964518. Its totient is φ = 441964516.

The previous prime is 441964499. The next prime is 441964559. The reversal of 441964517 is 715469144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429567076 + 12397441 = 20726^2 + 3521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441964517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441964217) 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, 220982258 + 220982259.

It is an arithmetic number, because the mean of its divisors is an integer number (220982259).

Almost surely, 2^441964517 is an apocalyptic number.

It is an amenable number.

441964517 is a deficient number, since it is larger than the sum of its proper divisors (1).

441964517 is an equidigital number, since it uses as much as digits as its factorization.

441964517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 441964517 is about 21022.9521475934. The cubic root of 441964517 is about 761.7207760070.

The spelling of 441964517 in words is "four hundred forty-one million, nine hundred sixty-four thousand, five hundred seventeen".