206895634093 has 2 divisors, whose sum is σ = 206895634094. Its totient is φ = 206895634092.

The previous prime is 206895634079. The next prime is 206895634163. The reversal of 206895634093 is 390436598602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205500835684 + 1394798409 = 453322^2 + 37347^2 .

It is a cyclic number.

It is not a de Polignac number, because 206895634093 - 2²⁵ = 206862079661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206895634013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103447817046 + 103447817047.

It is an arithmetic number, because the mean of its divisors is an integer number (103447817047).

Almost surely, 2^206895634093 is an apocalyptic number.

It is an amenable number.

206895634093 is a deficient number, since it is larger than the sum of its proper divisors (1).

206895634093 is an equidigital number, since it uses as much as digits as its factorization.

206895634093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 206895634093 in words is "two hundred six billion, eight hundred ninety-five million, six hundred thirty-four thousand, ninety-three".