2133640336244 has 12 divisors (see below), whose sum is σ = 3770839604868. Its totient is φ = 1056257592000.

The previous prime is 2133640336237. The next prime is 2133640336279. The reversal of 2133640336244 is 4426330463312.

It can be written as a sum of positive squares in 2 ways, for example, as 2067585168100 + 66055168144 = 1437910^2 + 257012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640643577 + ... + 2640644384.

It is an arithmetic number, because the mean of its divisors is an integer number (314236633739).

Almost surely, 2^{2133640336244} is an apocalyptic number.

It is an amenable number.

2133640336244 is a deficient number, since it is larger than the sum of its proper divisors (1637199268624).

2133640336244 is a wasteful number, since it uses less digits than its factorization.

2133640336244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281288066 (or 5281288064 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 41.

Adding to 2133640336244 its reverse (4426330463312), we get a palindrome (6559970799556).

The spelling of 2133640336244 in words is "two trillion, one hundred thirty-three billion, six hundred forty million, three hundred thirty-six thousand, two hundred forty-four".