213373689 has 8 divisors (see below), whose sum is σ = 284686080. Its totient is φ = 142155216.

The previous prime is 213373639. The next prime is 213373723. The reversal of 213373689 is 986373312.

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 213373689 - 2¹² = 213369593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213373689.

It is not an unprimeable number, because it can be changed into a prime (213373609) 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, 17994 + ... + 27395.

It is an arithmetic number, because the mean of its divisors is an integer number (35585760).

Almost surely, 2^213373689 is an apocalyptic number.

It is an amenable number.

213373689 is a deficient number, since it is larger than the sum of its proper divisors (71312391).

213373689 is a wasteful number, since it uses less digits than its factorization.

213373689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46959.

The product of its digits is 163296, while the sum is 42.

The square root of 213373689 is about 14607.3162832876. The cubic root of 213373689 is about 597.5583075980.

The spelling of 213373689 in words is "two hundred thirteen million, three hundred seventy-three thousand, six hundred eighty-nine".