2133133444 has 12 divisors (see below), whose sum is σ = 4020136204. Its totient is φ = 984523104.

The previous prime is 2133133421. The next prime is 2133133451. The reversal of 2133133444 is 4443313312.

It can be written as a sum of positive squares in 2 ways, for example, as 479084544 + 1654048900 = 21888^2 + 40670^2 .

It is a super-2 number, since 2×2133133444² = 9100516579822602272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20510847 + ... + 20510950.

Almost surely, 2^2133133444 is an apocalyptic number.

It is an amenable number.

2133133444 is a deficient number, since it is larger than the sum of its proper divisors (1887002760).

2133133444 is a wasteful number, since it uses less digits than its factorization.

2133133444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41021814 (or 41021812 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 2133133444 is about 46185.8576189725. The cubic root of 2133133444 is about 1287.2789717539.

Adding to 2133133444 its reverse (4443313312), we get a palindrome (6576446756).

The spelling of 2133133444 in words is "two billion, one hundred thirty-three million, one hundred thirty-three thousand, four hundred forty-four".