441473693 has 2 divisors, whose sum is σ = 441473694. Its totient is φ = 441473692.

The previous prime is 441473687. The next prime is 441473719. The reversal of 441473693 is 396374144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430438009 + 11035684 = 20747^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 441473693 - 2⁸ = 441473437 is a prime.

It is a super-2 number, since 2×441473693² = 389798043222116498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 441473693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441473633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220736846 + 220736847.

It is an arithmetic number, because the mean of its divisors is an integer number (220736847).

Almost surely, 2^441473693 is an apocalyptic number.

It is an amenable number.

441473693 is a deficient number, since it is larger than the sum of its proper divisors (1).

441473693 is an equidigital number, since it uses as much as digits as its factorization.

441473693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 441473693 is about 21011.2753777585. The cubic root of 441473693 is about 761.4386950479.

The spelling of 441473693 in words is "four hundred forty-one million, four hundred seventy-three thousand, six hundred ninety-three".