809288014097 has 2 divisors, whose sum is σ = 809288014098. Its totient is φ = 809288014096.

The previous prime is 809288014037. The next prime is 809288014103. The reversal of 809288014097 is 790410882908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 704699807296 + 104588206801 = 839464^2 + 323401^2 .

It is a cyclic number.

It is not a de Polignac number, because 809288014097 - 2¹⁸ = 809287751953 is a prime.

It is a super-2 number, since 2×809288014097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (809288014037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404644007048 + 404644007049.

It is an arithmetic number, because the mean of its divisors is an integer number (404644007049).

Almost surely, 2^809288014097 is an apocalyptic number.

It is an amenable number.

809288014097 is a deficient number, since it is larger than the sum of its proper divisors (1).

809288014097 is an equidigital number, since it uses as much as digits as its factorization.

809288014097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 809288014097 in words is "eight hundred nine billion, two hundred eighty-eight million, fourteen thousand, ninety-seven".