213600069 has 12 divisors (see below), whose sum is σ = 308813856. Its totient is φ = 142270632.

The previous prime is 213600067. The next prime is 213600073. The reversal of 213600069 is 960006312.

It is a happy number.

It is not a de Polignac number, because 213600069 - 2¹ = 213600067 is a prime.

It is a super-2 number, since 2×213600069² = 91249978953609522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213600067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264 + ... + 20670.

It is an arithmetic number, because the mean of its divisors is an integer number (25734488).

Almost surely, 2^213600069 is an apocalyptic number.

It is an amenable number.

213600069 is a deficient number, since it is larger than the sum of its proper divisors (95213787).

213600069 is a wasteful number, since it uses less digits than its factorization.

213600069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576 (or 21573 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 213600069 is about 14615.0630857345. The cubic root of 213600069 is about 597.7695605070.

The spelling of 213600069 in words is "two hundred thirteen million, six hundred thousand, sixty-nine".