2499999568 has 20 divisors (see below), whose sum is σ = 5284090368. Its totient is φ = 1136363360.

The previous prime is 2499999563. The next prime is 2499999569. The reversal of 2499999568 is 8659999942.

It is a junction number, because it is equal to n+sod(n) for n = 2499999497 and 2499999506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499999563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7102096 + ... + 7102447.

Almost surely, 2^2499999568 is an apocalyptic number.

It is an amenable number.

2499999568 is an abundant number, since it is smaller than the sum of its proper divisors (2784090800).

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

2499999568 is a wasteful number, since it uses less digits than its factorization.

2499999568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204562 (or 14204556 counting only the distinct ones).

The product of its digits is 113374080, while the sum is 70.

The square root of 2499999568 is about 49999.9956799998. The cubic root of 2499999568 is about 1357.2087301222.

The spelling of 2499999568 in words is "two billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred sixty-eight".