213617208850 has 96 divisors (see below), whose sum is σ = 417730049280. Its totient is φ = 81158837760.

The previous prime is 213617208811. The next prime is 213617208853. The reversal of 213617208850 is 58802716312.

213617208850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213617208797 and 213617208806.

It is not an unprimeable number, because it can be changed into a prime (213617208853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128917222 + ... + 128918878.

It is an arithmetic number, because the mean of its divisors is an integer number (4351354680).

Almost surely, 2^213617208850 is an apocalyptic number.

213617208850 is a deficient number, since it is larger than the sum of its proper divisors (204112840430).

213617208850 is a wasteful number, since it uses less digits than its factorization.

213617208850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 213617208850 in words is "two hundred thirteen billion, six hundred seventeen million, two hundred eight thousand, eight hundred fifty".