2133640336243 has 24 divisors (see below), whose sum is σ = 2411107229952. Its totient is φ = 1883676963168.

The previous prime is 2133640336237. The next prime is 2133640336279. The reversal of 2133640336243 is 3426330463312.

It is a de Polignac number, because none of the positive numbers 2^k-2133640336243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133640336196 and 2133640336205.

It is not an unprimeable number, because it can be changed into a prime (2133640336543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43677130 + ... + 43725952.

It is an arithmetic number, because the mean of its divisors is an integer number (100462801248).

Almost surely, 2^{2133640336243} is an apocalyptic number.

2133640336243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2133640336243 is a deficient number, since it is larger than the sum of its proper divisors (277466893709).

2133640336243 is a wasteful number, since it uses less digits than its factorization.

2133640336243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60115 (or 60102 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 40.

Adding to 2133640336243 its reverse (3426330463312), we get a palindrome (5559970799555).

The spelling of 2133640336243 in words is "two trillion, one hundred thirty-three billion, six hundred forty million, three hundred thirty-six thousand, two hundred forty-three".