2133954772 has 6 divisors (see below), whose sum is σ = 3734420858. Its totient is φ = 1066977384.

The previous prime is 2133954769. The next prime is 2133954773. The reversal of 2133954772 is 2774593312.

It can be written as a sum of positive squares in only one way, i.e., 1422345796 + 711608976 = 37714^2 + 26676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133954773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266744343 + ... + 266744350.

Almost surely, 2^2133954772 is an apocalyptic number.

It is an amenable number.

2133954772 is a deficient number, since it is larger than the sum of its proper divisors (1600466086).

2133954772 is a wasteful number, since it uses less digits than its factorization.

2133954772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533488697 (or 533488695 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 2133954772 is about 46194.7483162318. The cubic root of 2133954772 is about 1287.4441657630. Note that the first 3 decimals are identical.

The spelling of 2133954772 in words is "two billion, one hundred thirty-three million, nine hundred fifty-four thousand, seven hundred seventy-two".