206799034697 has 4 divisors (see below), whose sum is σ = 209631898260. Its totient is φ = 203966171136.

The previous prime is 206799034679. The next prime is 206799034723. The reversal of 206799034697 is 796430997602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146550386761 + 60248647936 = 382819^2 + 245456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206799034697 is a prime.

It is a super-2 number, since 2×206799034697² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206799034657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416431672 + ... + 1416431817.

It is an arithmetic number, because the mean of its divisors is an integer number (52407974565).

Almost surely, 2^206799034697 is an apocalyptic number.

It is an amenable number.

206799034697 is a deficient number, since it is larger than the sum of its proper divisors (2832863563).

206799034697 is an equidigital number, since it uses as much as digits as its factorization.

206799034697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832863562.

The product of its (nonzero) digits is 30862944, while the sum is 62.

The spelling of 206799034697 in words is "two hundred six billion, seven hundred ninety-nine million, thirty-four thousand, six hundred ninety-seven".