207068986209 has 4 divisors (see below), whose sum is σ = 276091981616. Its totient is φ = 138045990804.

The previous prime is 207068986199. The next prime is 207068986211. The reversal of 207068986209 is 902689860702.

207068986209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 207068986209 - 2¹⁷ = 207068855137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207066986209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34511497699 + ... + 34511497704.

It is an arithmetic number, because the mean of its divisors is an integer number (69022995404).

Almost surely, 2^207068986209 is an apocalyptic number.

It is an amenable number.

207068986209 is a deficient number, since it is larger than the sum of its proper divisors (69022995407).

207068986209 is an equidigital number, since it uses as much as digits as its factorization.

207068986209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69022995406.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 207068986209 in words is "two hundred seven billion, sixty-eight million, nine hundred eighty-six thousand, two hundred nine".