213064869 has 8 divisors (see below), whose sum is σ = 284782720. Its totient is φ = 141695136.

The previous prime is 213064867. The next prime is 213064877. The reversal of 213064869 is 968460312.

213064869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213064869 - 2¹ = 213064867 is a prime.

It is a super-2 number, since 2×213064869² = 90793276803974322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213064861) 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, 85597 + ... + 88050.

It is an arithmetic number, because the mean of its divisors is an integer number (35597840).

Almost surely, 2^213064869 is an apocalyptic number.

It is an amenable number.

213064869 is a deficient number, since it is larger than the sum of its proper divisors (71717851).

213064869 is a wasteful number, since it uses less digits than its factorization.

213064869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174059.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 213064869 is about 14596.7417254674. The cubic root of 213064869 is about 597.2698823825.

The spelling of 213064869 in words is "two hundred thirteen million, sixty-four thousand, eight hundred sixty-nine".