2543381216 has 36 divisors (see below), whose sum is σ = 5234490072. Its totient is φ = 1216391616.

The previous prime is 2543381179. The next prime is 2543381219. The reversal of 2543381216 is 6121833452.

2543381216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543381219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58196 + ... + 92051.

It is an arithmetic number, because the mean of its divisors is an integer number (145402502).

Almost surely, 2^2543381216 is an apocalyptic number.

It is an amenable number.

2543381216 is an abundant number, since it is smaller than the sum of its proper divisors (2691108856).

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

2543381216 is a wasteful number, since it uses less digits than its factorization.

2543381216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150303 (or 150272 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2543381216 is about 50431.9463832202. The cubic root of 2543381216 is about 1365.0141493343.

The spelling of 2543381216 in words is "two billion, five hundred forty-three million, three hundred eighty-one thousand, two hundred sixteen".