213966836932 has 6 divisors (see below), whose sum is σ = 374441964638. Its totient is φ = 106983418464.

The previous prime is 213966836917. The next prime is 213966836969. The reversal of 213966836932 is 239638669312.

It can be written as a sum of positive squares in only one way, i.e., 196156866816 + 17809970116 = 442896^2 + 133454^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26745854613 + ... + 26745854620.

Almost surely, 2^213966836932 is an apocalyptic number.

It is an amenable number.

213966836932 is a deficient number, since it is larger than the sum of its proper divisors (160475127706).

213966836932 is a wasteful number, since it uses less digits than its factorization.

213966836932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53491709237 (or 53491709235 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The spelling of 213966836932 in words is "two hundred thirteen billion, nine hundred sixty-six million, eight hundred thirty-six thousand, nine hundred thirty-two".