213373389 has 32 divisors (see below), whose sum is σ = 301771008. Its totient is φ = 133952000.

The previous prime is 213373367. The next prime is 213373399. The reversal of 213373389 is 983373312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213373389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213373399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462619 + ... + 463079.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^213373389 is an apocalyptic number.

It is an amenable number.

213373389 is a deficient number, since it is larger than the sum of its proper divisors (88397619).

213373389 is a wasteful number, since it uses less digits than its factorization.

213373389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 81648, while the sum is 39.

The square root of 213373389 is about 14607.3060144573. The cubic root of 213373389 is about 597.5580275454.

The spelling of 213373389 in words is "two hundred thirteen million, three hundred seventy-three thousand, three hundred eighty-nine".