2569728050 has 54 divisors (see below), whose sum is σ = 4897868157. Its totient is φ = 1003086480.

The previous prime is 2569727999. The next prime is 2569728059. The reversal of 2569728050 is 508279652.

It can be written as a sum of positive squares in 2 ways, for example, as 2518333489 + 51394561 = 50183^2 + 7169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=35845.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2569727992 and 2569728010.

It is not an unprimeable number, because it can be changed into a prime (2569728059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24016097 + ... + 24016203.

Almost surely, 2^2569728050 is an apocalyptic number.

2569728050 is a deficient number, since it is larger than the sum of its proper divisors (2328140107).

2569728050 is an equidigital number, since it uses as much as digits as its factorization.

2569728050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 2569728050 is about 50692.4851432636. The cubic root of 2569728050 is about 1369.7113516237.

The spelling of 2569728050 in words is "two billion, five hundred sixty-nine million, seven hundred twenty-eight thousand, fifty".