809714441 has 2 divisors, whose sum is σ = 809714442. Its totient is φ = 809714440.

The previous prime is 809714419. The next prime is 809714447. The reversal of 809714441 is 144417908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750486025 + 59228416 = 27395^2 + 7696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-809714441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 809714395 and 809714404.

It is not a weakly prime, because it can be changed into another prime (809714447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404857220 + 404857221.

It is an arithmetic number, because the mean of its divisors is an integer number (404857221).

Almost surely, 2^809714441 is an apocalyptic number.

It is an amenable number.

809714441 is a deficient number, since it is larger than the sum of its proper divisors (1).

809714441 is an equidigital number, since it uses as much as digits as its factorization.

809714441 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 38.

The square root of 809714441 is about 28455.4817390253. The cubic root of 809714441 is about 932.0601959223.

The spelling of 809714441 in words is "eight hundred nine million, seven hundred fourteen thousand, four hundred forty-one".