200808680693 has 2 divisors, whose sum is σ = 200808680694. Its totient is φ = 200808680692.

The previous prime is 200808680663. The next prime is 200808680711. The reversal of 200808680693 is 396086808002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160831477444 + 39977203249 = 401038^2 + 199943^2 .

It is a cyclic number.

It is not a de Polignac number, because 200808680693 - 2⁸ = 200808680437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200808680603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100404340346 + 100404340347.

It is an arithmetic number, because the mean of its divisors is an integer number (100404340347).

Almost surely, 2^200808680693 is an apocalyptic number.

It is an amenable number.

200808680693 is a deficient number, since it is larger than the sum of its proper divisors (1).

200808680693 is an equidigital number, since it uses as much as digits as its factorization.

200808680693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 200808680693 in words is "two hundred billion, eight hundred eight million, six hundred eighty thousand, six hundred ninety-three".