985366683493 has 2 divisors, whose sum is σ = 985366683494. Its totient is φ = 985366683492.

The previous prime is 985366683443. The next prime is 985366683517. The reversal of 985366683493 is 394386663589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926017440804 + 59349242689 = 962298^2 + 243617^2 .

It is a cyclic number.

It is not a de Polignac number, because 985366683493 - 2³³ = 976776748901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985366683443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492683341746 + 492683341747.

It is an arithmetic number, because the mean of its divisors is an integer number (492683341747).

Almost surely, 2^985366683493 is an apocalyptic number.

It is an amenable number.

985366683493 is a deficient number, since it is larger than the sum of its proper divisors (1).

985366683493 is an equidigital number, since it uses as much as digits as its factorization.

985366683493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604661760, while the sum is 70.

The spelling of 985366683493 in words is "nine hundred eighty-five billion, three hundred sixty-six million, six hundred eighty-three thousand, four hundred ninety-three".