444882661 has 2 divisors, whose sum is σ = 444882662. Its totient is φ = 444882660.

The previous prime is 444882623. The next prime is 444882667. The reversal of 444882661 is 166288444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382945761 + 61936900 = 19569^2 + 7870^2 .

It is a cyclic number.

It is not a de Polignac number, because 444882661 - 2¹¹ = 444880613 is a prime.

It is a super-3 number, since 3×444882661³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444882667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222441330 + 222441331.

It is an arithmetic number, because the mean of its divisors is an integer number (222441331).

Almost surely, 2^444882661 is an apocalyptic number.

It is an amenable number.

444882661 is a deficient number, since it is larger than the sum of its proper divisors (1).

444882661 is an equidigital number, since it uses as much as digits as its factorization.

444882661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 43.

The square root of 444882661 is about 21092.2417253359. The cubic root of 444882661 is about 763.3935623463.

The spelling of 444882661 in words is "four hundred forty-four million, eight hundred eighty-two thousand, six hundred sixty-one".