209313396848 has 20 divisors (see below), whose sum is σ = 405608979840. Its totient is φ = 104640111744.

The previous prime is 209313396823. The next prime is 209313396857. The reversal of 209313396848 is 848693313902.

It is a junction number, because it is equal to n+sod(n) for n = 209313396793 and 209313396802.

It is a congruent number.

It is an unprimeable number.

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, 932240 + ... + 1134767.

It is an arithmetic number, because the mean of its divisors is an integer number (20280448992).

Almost surely, 2^209313396848 is an apocalyptic number.

It is an amenable number.

209313396848 is a deficient number, since it is larger than the sum of its proper divisors (196295582992).

209313396848 is a wasteful number, since it uses less digits than its factorization.

209313396848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073344 (or 2073338 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 209313396848 in words is "two hundred nine billion, three hundred thirteen million, three hundred ninety-six thousand, eight hundred forty-eight".