213689454882 has 32 divisors (see below), whose sum is σ = 441224024064. Its totient is φ = 68922910800.

The previous prime is 213689454857. The next prime is 213689454947. The reversal of 213689454882 is 288454986312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401957 + ... + 1546887.

It is an arithmetic number, because the mean of its divisors is an integer number (13788250752).

Almost surely, 2^213689454882 is an apocalyptic number.

213689454882 is an abundant number, since it is smaller than the sum of its proper divisors (227534569182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213689454882 is a wasteful number, since it uses less digits than its factorization.

213689454882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152894.

The product of its digits is 26542080, while the sum is 60.

The spelling of 213689454882 in words is "two hundred thirteen billion, six hundred eighty-nine million, four hundred fifty-four thousand, eight hundred eighty-two".