2563471780 has 24 divisors (see below), whose sum is σ = 5384288952. Its totient is φ = 1025198592.

The previous prime is 2563471763. The next prime is 2563471817. The reversal of 2563471780 is 871743652.

2563471780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77053284 + 2486418496 = 8778^2 + 49864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157714 + ... + 173206.

It is an arithmetic number, because the mean of its divisors is an integer number (224345373).

Almost surely, 2^2563471780 is an apocalyptic number.

2563471780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2563471780 is an abundant number, since it is smaller than the sum of its proper divisors (2820817172).

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

2563471780 is a wasteful number, since it uses less digits than its factorization.

2563471780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23775 (or 23773 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2563471780 is about 50630.7394771200. The cubic root of 2563471780 is about 1368.5988801140.

The spelling of 2563471780 in words is "two billion, five hundred sixty-three million, four hundred seventy-one thousand, seven hundred eighty".