2543371688 has 128 divisors (see below), whose sum is σ = 5985100800. Its totient is φ = 996710400.

The previous prime is 2543371679. The next prime is 2543371693. The reversal of 2543371688 is 8861733452.

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, 1027220 + ... + 1029692.

It is an arithmetic number, because the mean of its divisors is an integer number (46758600).

Almost surely, 2^2543371688 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 2543371688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992550400).

2543371688 is an abundant number, since it is smaller than the sum of its proper divisors (3441729112).

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

2543371688 is a wasteful number, since it uses less digits than its factorization.

2543371688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2559 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 2543371688 is about 50431.8519191988. The cubic root of 2543371688 is about 1365.0124447961.

The spelling of 2543371688 in words is "two billion, five hundred forty-three million, three hundred seventy-one thousand, six hundred eighty-eight".