213333869 has 8 divisors (see below), whose sum is σ = 244298880. Its totient is φ = 182491056.

The previous prime is 213333863. The next prime is 213333899. The reversal of 213333869 is 968333312.

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

It is a cyclic number.

It is not a de Polignac number, because 213333869 - 2⁸ = 213333613 is a prime.

It is a super-2 number, since 2×213333869² = 91022679325018322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333863) 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, 26774 + ... + 33815.

It is an arithmetic number, because the mean of its divisors is an integer number (30537360).

Almost surely, 2^213333869 is an apocalyptic number.

It is an amenable number.

213333869 is a deficient number, since it is larger than the sum of its proper divisors (30965011).

213333869 is an equidigital number, since it uses as much as digits as its factorization.

213333869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61099.

The product of its digits is 69984, while the sum is 38.

The square root of 213333869 is about 14605.9532040877. The cubic root of 213333869 is about 597.5211329862.

The spelling of 213333869 in words is "two hundred thirteen million, three hundred thirty-three thousand, eight hundred sixty-nine".