206191796709883 has 2 divisors, whose sum is σ = 206191796709884. Its totient is φ = 206191796709882.

The previous prime is 206191796709851. The next prime is 206191796709931. The reversal of 206191796709883 is 388907697191602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206191796709883 - 2⁵ = 206191796709851 is a prime.

It is not a weakly prime, because it can be changed into another prime (206191796709583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103095898354941 + 103095898354942.

It is an arithmetic number, because the mean of its divisors is an integer number (103095898354942).

Almost surely, 2^{206191796709883} is an apocalyptic number.

206191796709883 is a deficient number, since it is larger than the sum of its proper divisors (1).

206191796709883 is an equidigital number, since it uses as much as digits as its factorization.

206191796709883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493807104, while the sum is 76.

The spelling of 206191796709883 in words is "two hundred six trillion, one hundred ninety-one billion, seven hundred ninety-six million, seven hundred nine thousand, eight hundred eighty-three".