9984323400697 has 2 divisors, whose sum is σ = 9984323400698. Its totient is φ = 9984323400696.

The previous prime is 9984323400661. The next prime is 9984323400839. The reversal of 9984323400697 is 7960043234899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9383169734416 + 601153666281 = 3063196^2 + 775341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9984323400697 is a prime.

It is not a weakly prime, because it can be changed into another prime (9984323406697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992161700348 + 4992161700349.

It is an arithmetic number, because the mean of its divisors is an integer number (4992161700349).

Almost surely, 2^{9984323400697} is an apocalyptic number.

It is an amenable number.

9984323400697 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984323400697 is an equidigital number, since it uses as much as digits as its factorization.

9984323400697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 9984323400697 in words is "nine trillion, nine hundred eighty-four billion, three hundred twenty-three million, four hundred thousand, six hundred ninety-seven".