698663335397 has 2 divisors, whose sum is σ = 698663335398. Its totient is φ = 698663335396.

The previous prime is 698663335393. The next prime is 698663335451. The reversal of 698663335397 is 793533366896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698359391041 + 303944356 = 835679^2 + 17434^2 .

It is a cyclic number.

It is not a de Polignac number, because 698663335397 - 2² = 698663335393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698663335393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349331667698 + 349331667699.

It is an arithmetic number, because the mean of its divisors is an integer number (349331667699).

Almost surely, 2^698663335397 is an apocalyptic number.

It is an amenable number.

698663335397 is a deficient number, since it is larger than the sum of its proper divisors (1).

698663335397 is an equidigital number, since it uses as much as digits as its factorization.

698663335397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396809280, while the sum is 68.

The spelling of 698663335397 in words is "six hundred ninety-eight billion, six hundred sixty-three million, three hundred thirty-five thousand, three hundred ninety-seven".