807681332459893 has 2 divisors, whose sum is σ = 807681332459894. Its totient is φ = 807681332459892.

The previous prime is 807681332459801. The next prime is 807681332460007. The reversal of 807681332459893 is 398954233186708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 771995500027249 + 35685832432644 = 27784807^2 + 5973762^2 .

It is a cyclic number.

It is not a de Polignac number, because 807681332459893 - 2²⁹ = 807680795588981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807681332456893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403840666229946 + 403840666229947.

It is an arithmetic number, because the mean of its divisors is an integer number (403840666229947).

It is a 1-persistent number, because it is pandigital, but 2⋅807681332459893 = 1615362664919786 is not.

Almost surely, 2^{807681332459893} is an apocalyptic number.

It is an amenable number.

807681332459893 is a deficient number, since it is larger than the sum of its proper divisors (1).

807681332459893 is an equidigital number, since it uses as much as digits as its factorization.

807681332459893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881169920, while the sum is 76.

The spelling of 807681332459893 in words is "eight hundred seven trillion, six hundred eighty-one billion, three hundred thirty-two million, four hundred fifty-nine thousand, eight hundred ninety-three".