2543750616 has 64 divisors (see below), whose sum is σ = 6980181120. Its totient is φ = 766091520.

The previous prime is 2543750611. The next prime is 2543750617. The reversal of 2543750616 is 6160573452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543750611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13476 + ... + 72588.

It is an arithmetic number, because the mean of its divisors is an integer number (109065330).

Almost surely, 2^2543750616 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 2543750616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3490090560).

2543750616 is an abundant number, since it is smaller than the sum of its proper divisors (4436430504).

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

2543750616 is a wasteful number, since it uses less digits than its factorization.

2543750616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59296 (or 59292 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2543750616 is about 50435.6086113769. The cubic root of 2543750616 is about 1365.0802308971.

The spelling of 2543750616 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, six hundred sixteen".