2563910984 has 32 divisors (see below), whose sum is σ = 4862342520. Its totient is φ = 1267316736.

The previous prime is 2563910953. The next prime is 2563910989. The reversal of 2563910984 is 4890193652.

It can be written as a sum of positive squares in 4 ways, for example, as 2512214884 + 51696100 = 50122^2 + 7190^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2563910989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157462 + ... + 1159674.

Almost surely, 2^2563910984 is an apocalyptic number.

It is an amenable number.

2563910984 is a deficient number, since it is larger than the sum of its proper divisors (2298431536).

2563910984 is a wasteful number, since it uses less digits than its factorization.

2563910984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2563910984 is about 50635.0766169066. The cubic root of 2563910984 is about 1368.6770371121.

The spelling of 2563910984 in words is "two billion, five hundred sixty-three million, nine hundred ten thousand, nine hundred eighty-four".