2543347884 has 144 divisors (see below), whose sum is σ = 7657497344. Its totient is φ = 642660480.

The previous prime is 2543347861. The next prime is 2543347907. The reversal of 2543347884 is 4887433452.

It is an interprime number because it is at equal distance from previous prime (2543347861) and next prime (2543347907).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372687 + ... + 379449.

Almost surely, 2^2543347884 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 2543347884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3828748672).

2543347884 is an abundant number, since it is smaller than the sum of its proper divisors (5114149460).

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

2543347884 is a wasteful number, since it uses less digits than its factorization.

2543347884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836 (or 6823 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 48.

The square root of 2543347884 is about 50431.6159170019. The cubic root of 2543347884 is about 1365.0081862945.

The spelling of 2543347884 in words is "two billion, five hundred forty-three million, three hundred forty-seven thousand, eight hundred eighty-four".