213408115450 has 48 divisors (see below), whose sum is σ = 402073551360. Its totient is φ = 84259656000.

The previous prime is 213408115441. The next prime is 213408115489. The reversal of 213408115450 is 54511804312.

213408115450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26306895 + ... + 26315005.

It is an arithmetic number, because the mean of its divisors is an integer number (8376532320).

Almost surely, 2^213408115450 is an apocalyptic number.

213408115450 is a deficient number, since it is larger than the sum of its proper divisors (188665435910).

213408115450 is a wasteful number, since it uses less digits than its factorization.

213408115450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14863 (or 14858 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 213408115450 its reverse (54511804312), we get a palindrome (267919919762).

The spelling of 213408115450 in words is "two hundred thirteen billion, four hundred eight million, one hundred fifteen thousand, four hundred fifty".