213674643192 has 64 divisors (see below), whose sum is σ = 538591284000. Its totient is φ = 70639050240.

The previous prime is 213674643187. The next prime is 213674643239. The reversal of 213674643192 is 291346476312.

It is a happy number.

It is a congruent number.

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, 2318538 + ... + 2408934.

Almost surely, 2^213674643192 is an apocalyptic number.

It is an amenable number.

213674643192 is an abundant number, since it is smaller than the sum of its proper divisors (324916640808).

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

213674643192 is a wasteful number, since it uses less digits than its factorization.

213674643192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91216 (or 91212 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The spelling of 213674643192 in words is "two hundred thirteen billion, six hundred seventy-four million, six hundred forty-three thousand, one hundred ninety-two".