444069331 has 2 divisors, whose sum is σ = 444069332. Its totient is φ = 444069330.

The previous prime is 444069317. The next prime is 444069347. The reversal of 444069331 is 133960444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444069331 - 2⁹ = 444068819 is a prime.

It is a super-2 number, since 2×444069331² = 394395141469575122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444069361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222034665 + 222034666.

It is an arithmetic number, because the mean of its divisors is an integer number (222034666).

Almost surely, 2^444069331 is an apocalyptic number.

444069331 is a deficient number, since it is larger than the sum of its proper divisors (1).

444069331 is an equidigital number, since it uses as much as digits as its factorization.

444069331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 444069331 is about 21072.9525933126. The cubic root of 444069331 is about 762.9280690870.

The spelling of 444069331 in words is "four hundred forty-four million, sixty-nine thousand, three hundred thirty-one".