2543454830 has 64 divisors (see below), whose sum is σ = 5718822912. Its totient is φ = 794257920.

The previous prime is 2543454829. The next prime is 2543454863. The reversal of 2543454830 is 384543452.

2543454830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2417 + ... + 71363.

It is an arithmetic number, because the mean of its divisors is an integer number (89356608).

Almost surely, 2^2543454830 is an apocalyptic number.

2543454830 is an abundant number, since it is smaller than the sum of its proper divisors (3175368082).

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

2543454830 is a wasteful number, since it uses less digits than its factorization.

2543454830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69009.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 2543454830 is about 50432.6762129475. The cubic root of 2543454830 is about 1365.0273185729.

The spelling of 2543454830 in words is "two billion, five hundred forty-three million, four hundred fifty-four thousand, eight hundred thirty".