444169697 has 2 divisors, whose sum is σ = 444169698. Its totient is φ = 444169696.

The previous prime is 444169657. The next prime is 444169699. The reversal of 444169697 is 796961444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222636241 + 221533456 = 14921^2 + 14884^2 .

It is a cyclic number.

It is not a de Polignac number, because 444169697 - 2¹⁴ = 444153313 is a prime.

Together with 444169699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444169699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222084848 + 222084849.

It is an arithmetic number, because the mean of its divisors is an integer number (222084849).

Almost surely, 2^444169697 is an apocalyptic number.

It is an amenable number.

444169697 is a deficient number, since it is larger than the sum of its proper divisors (1).

444169697 is an equidigital number, since it uses as much as digits as its factorization.

444169697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 444169697 is about 21075.3338526345. Note that the first 3 decimals coincide. The cubic root of 444169697 is about 762.9855422976.

The spelling of 444169697 in words is "four hundred forty-four million, one hundred sixty-nine thousand, six hundred ninety-seven".