206827443941 has 2 divisors, whose sum is σ = 206827443942. Its totient is φ = 206827443940.

The previous prime is 206827443913. The next prime is 206827443947. The reversal of 206827443941 is 149344728602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150114402916 + 56713041025 = 387446^2 + 238145^2 .

It is a cyclic number.

It is not a de Polignac number, because 206827443941 - 2⁶ = 206827443877 is a prime.

It is a super-2 number, since 2×206827443941² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206827443941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206827443947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103413721970 + 103413721971.

It is an arithmetic number, because the mean of its divisors is an integer number (103413721971).

Almost surely, 2^206827443941 is an apocalyptic number.

It is an amenable number.

206827443941 is a deficient number, since it is larger than the sum of its proper divisors (1).

206827443941 is an equidigital number, since it uses as much as digits as its factorization.

206827443941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 206827443941 in words is "two hundred six billion, eight hundred twenty-seven million, four hundred forty-three thousand, nine hundred forty-one".