683282885637421 has 2 divisors, whose sum is σ = 683282885637422. Its totient is φ = 683282885637420.

The previous prime is 683282885637293. The next prime is 683282885637479. The reversal of 683282885637421 is 124736588282386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620229836683396 + 63053048954025 = 24904414^2 + 7940595^2 .

It is a cyclic number.

It is not a de Polignac number, because 683282885637421 - 2⁷ = 683282885637293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683282885635421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341641442818710 + 341641442818711.

It is an arithmetic number, because the mean of its divisors is an integer number (341641442818711).

Almost surely, 2^{683282885637421} is an apocalyptic number.

It is an amenable number.

683282885637421 is a deficient number, since it is larger than the sum of its proper divisors (1).

683282885637421 is an equidigital number, since it uses as much as digits as its factorization.

683282885637421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1486356480, while the sum is 73.

The spelling of 683282885637421 in words is "six hundred eighty-three trillion, two hundred eighty-two billion, eight hundred eighty-five million, six hundred thirty-seven thousand, four hundred twenty-one".