213409472883936 has 96 divisors (see below), whose sum is σ = 640439234265600. Its totient is φ = 60954057432576.

The previous prime is 213409472883913. The next prime is 213409472883961. The reversal of 213409472883936 is 639388274904312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 50243236 + ... + 54324963.

It is an arithmetic number, because the mean of its divisors is an integer number (6671242023600).

Almost surely, 2^{213409472883936} is an apocalyptic number.

It is an amenable number.

213409472883936 is an abundant number, since it is smaller than the sum of its proper divisors (427029761381664).

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

213409472883936 is a wasteful number, since it uses less digits than its factorization.

213409472883936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104571256 (or 104571248 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 69.

The spelling of 213409472883936 in words is "two hundred thirteen trillion, four hundred nine billion, four hundred seventy-two million, eight hundred eighty-three thousand, nine hundred thirty-six".