200890668893 has 2 divisors, whose sum is σ = 200890668894. Its totient is φ = 200890668892.

The previous prime is 200890668871. The next prime is 200890668959. The reversal of 200890668893 is 398866098002.

200890668893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199734804889 + 1155864004 = 446917^2 + 33998^2 .

It is a cyclic number.

It is not a de Polignac number, because 200890668893 - 2¹² = 200890664797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200890668863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100445334446 + 100445334447.

It is an arithmetic number, because the mean of its divisors is an integer number (100445334447).

Almost surely, 2^200890668893 is an apocalyptic number.

It is an amenable number.

200890668893 is a deficient number, since it is larger than the sum of its proper divisors (1).

200890668893 is an equidigital number, since it uses as much as digits as its factorization.

200890668893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 200890668893 in words is "two hundred billion, eight hundred ninety million, six hundred sixty-eight thousand, eight hundred ninety-three".