444432973 has 2 divisors, whose sum is σ = 444432974. Its totient is φ = 444432972.

The previous prime is 444432959. The next prime is 444432983. The reversal of 444432973 is 379234444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312688489 + 131744484 = 17683^2 + 11478^2 .

It is a cyclic number.

It is not a de Polignac number, because 444432973 - 2⁵ = 444432941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444432943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222216486 + 222216487.

It is an arithmetic number, because the mean of its divisors is an integer number (222216487).

Almost surely, 2^444432973 is an apocalyptic number.

It is an amenable number.

444432973 is a deficient number, since it is larger than the sum of its proper divisors (1).

444432973 is an equidigital number, since it uses as much as digits as its factorization.

444432973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 40.

The square root of 444432973 is about 21081.5789968399. The cubic root of 444432973 is about 763.1362625495.

The spelling of 444432973 in words is "four hundred forty-four million, four hundred thirty-two thousand, nine hundred seventy-three".