2133543744 has 168 divisors, whose sum is σ = 6488826240. Its totient is φ = 668362752.

The previous prime is 2133543719. The next prime is 2133543749. The reversal of 2133543744 is 4473453312.

2133543744 is a `hidden beast` number, since 213 + 3 + 5 + 437 + 4 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2133543699 and 2133543708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133543749) 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, 1498617 + ... + 1500039.

Almost surely, 2^2133543744 is an apocalyptic number.

2133543744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133543744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3244413120).

2133543744 is an abundant number, since it is smaller than the sum of its proper divisors (4355282496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133543744 is a wasteful number, since it uses less digits than its factorization.

2133543744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1584 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 2133543744 is about 46190.2992412909. The cubic root of 2133543744 is about 1287.3615008464.

The spelling of 2133543744 in words is "two billion, one hundred thirty-three million, five hundred forty-three thousand, seven hundred forty-four".