209813230604 has 24 divisors (see below), whose sum is σ = 373091040000. Its totient is φ = 103221714960.

The previous prime is 209813230591. The next prime is 209813230687. The reversal of 209813230604 is 406032318902.

209813230604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 598544 + ... + 881975.

It is an arithmetic number, because the mean of its divisors is an integer number (15545460000).

Almost surely, 2^209813230604 is an apocalyptic number.

It is an amenable number.

209813230604 is a deficient number, since it is larger than the sum of its proper divisors (163277809396).

209813230604 is a wasteful number, since it uses less digits than its factorization.

209813230604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481093 (or 1481091 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 209813230604 in words is "two hundred nine billion, eight hundred thirteen million, two hundred thirty thousand, six hundred four".