2133165343 has 4 divisors (see below), whose sum is σ = 2185193808. Its totient is φ = 2081136880.

The previous prime is 2133165323. The next prime is 2133165367. The reversal of 2133165343 is 3435613312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133165343 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133165313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26014171 + ... + 26014252.

It is an arithmetic number, because the mean of its divisors is an integer number (546298452).

Almost surely, 2^2133165343 is an apocalyptic number.

2133165343 is a deficient number, since it is larger than the sum of its proper divisors (52028465).

2133165343 is an equidigital number, since it uses as much as digits as its factorization.

2133165343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52028464.

The product of its digits is 19440, while the sum is 31.

The square root of 2133165343 is about 46186.2029506648. The cubic root of 2133165343 is about 1287.2853884031.

Adding to 2133165343 its reverse (3435613312), we get a palindrome (5568778655).

The spelling of 2133165343 in words is "two billion, one hundred thirty-three million, one hundred sixty-five thousand, three hundred forty-three".