209343350074 has 8 divisors (see below), whose sum is σ = 314245752948. Its totient is φ = 104594765760.

The previous prime is 209343350059. The next prime is 209343350077. The reversal of 209343350074 is 470053343902.

209343350074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177750776025 + 31592574049 = 421605^2 + 177743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (209343350077) 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, 38451237 + ... + 38456680.

Almost surely, 2^209343350074 is an apocalyptic number.

209343350074 is a deficient number, since it is larger than the sum of its proper divisors (104902402874).

209343350074 is a wasteful number, since it uses less digits than its factorization.

209343350074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76909280.

The product of its (nonzero) digits is 272160, while the sum is 40.

Adding to 209343350074 its reverse (470053343902), we get a palindrome (679396693976).

The spelling of 209343350074 in words is "two hundred nine billion, three hundred forty-three million, three hundred fifty thousand, seventy-four".