2543903712 has 192 divisors, whose sum is σ = 8687347200. Its totient is φ = 709032960.

The previous prime is 2543903689. The next prime is 2543903729. The reversal of 2543903712 is 2173093452.

2543903712 is a `hidden beast` number, since 254 + 39 + 0 + 371 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242839 + ... + 253097.

It is an arithmetic number, because the mean of its divisors is an integer number (45246600).

Almost surely, 2^2543903712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543903712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4343673600).

2543903712 is an abundant number, since it is smaller than the sum of its proper divisors (6143443488).

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

2543903712 is a wasteful number, since it uses less digits than its factorization.

2543903712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10312 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2543903712 is about 50437.1263257533. The cubic root of 2543903712 is about 1365.1076161984.

The spelling of 2543903712 in words is "two billion, five hundred forty-three million, nine hundred three thousand, seven hundred twelve".