213563688700 has 18 divisors (see below), whose sum is σ = 463433204696. Its totient is φ = 85425475440.

The previous prime is 213563688671. The next prime is 213563688739. The reversal of 213563688700 is 7886365312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067818344 + ... + 1067818543.

Almost surely, 2^213563688700 is an apocalyptic number.

213563688700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213563688700 is an abundant number, since it is smaller than the sum of its proper divisors (249869515996).

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

213563688700 is a wasteful number, since it uses less digits than its factorization.

213563688700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135636901 (or 2135636894 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 213563688700 in words is "two hundred thirteen billion, five hundred sixty-three million, six hundred eighty-eight thousand, seven hundred".