2543473872 has 50 divisors (see below), whose sum is σ = 7361555058. Its totient is φ = 847824192.

The previous prime is 2543473871. The next prime is 2543473879. The reversal of 2543473872 is 2783743452.

2543473872 is a `hidden beast` number, since 2 + 543 + 4 + 7 + 38 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2518433856 + 25040016 = 50184^2 + 5004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543473871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 979983 + ... + 982574.

Almost surely, 2^2543473872 is an apocalyptic number.

It is an amenable number.

2543473872 is an abundant number, since it is smaller than the sum of its proper divisors (4818081186).

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

2543473872 is a wasteful number, since it uses less digits than its factorization.

2543473872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962577 (or 1962562 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 2543473872 is about 50432.8649989270. The cubic root of 2543473872 is about 1365.0307250662.

The spelling of 2543473872 in words is "two billion, five hundred forty-three million, four hundred seventy-three thousand, eight hundred seventy-two".