213220213989 has 8 divisors (see below), whose sum is σ = 293464380672. Its totient is φ = 137561428320.

The previous prime is 213220213979. The next prime is 213220213991. The reversal of 213220213989 is 989312022312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213220213989 - 2⁸ = 213220213733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213220213989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220213919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146345144 + ... + 1146345329.

It is an arithmetic number, because the mean of its divisors is an integer number (36683047584).

Almost surely, 2^213220213989 is an apocalyptic number.

It is an amenable number.

213220213989 is a deficient number, since it is larger than the sum of its proper divisors (80244166683).

213220213989 is a wasteful number, since it uses less digits than its factorization.

213220213989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292690507.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 213220213989 in words is "two hundred thirteen billion, two hundred twenty million, two hundred thirteen thousand, nine hundred eighty-nine".