200854658009 has 2 divisors, whose sum is σ = 200854658010. Its totient is φ = 200854658008.

The previous prime is 200854657999. The next prime is 200854658023. The reversal of 200854658009 is 900856458002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197473584400 + 3381073609 = 444380^2 + 58147^2 .

It is a cyclic number.

It is not a de Polignac number, because 200854658009 - 2⁸ = 200854657753 is a prime.

It is not a weakly prime, because it can be changed into another prime (200854658099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100427329004 + 100427329005.

It is an arithmetic number, because the mean of its divisors is an integer number (100427329005).

Almost surely, 2^200854658009 is an apocalyptic number.

It is an amenable number.

200854658009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200854658009 is an equidigital number, since it uses as much as digits as its factorization.

200854658009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 200854658009 in words is "two hundred billion, eight hundred fifty-four million, six hundred fifty-eight thousand, nine".