441040064173 has 2 divisors, whose sum is σ = 441040064174. Its totient is φ = 441040064172.

The previous prime is 441040064161. The next prime is 441040064237. The reversal of 441040064173 is 371460040144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433382589124 + 7657475049 = 658318^2 + 87507^2 .

It is a cyclic number.

It is not a de Polignac number, because 441040064173 - 2²⁹ = 440503193261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441040064123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220520032086 + 220520032087.

It is an arithmetic number, because the mean of its divisors is an integer number (220520032087).

Almost surely, 2^441040064173 is an apocalyptic number.

It is an amenable number.

441040064173 is a deficient number, since it is larger than the sum of its proper divisors (1).

441040064173 is an equidigital number, since it uses as much as digits as its factorization.

441040064173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 441040064173 in words is "four hundred forty-one billion, forty million, sixty-four thousand, one hundred seventy-three".