2385728650 has 12 divisors (see below), whose sum is σ = 4437455382. Its totient is φ = 954291440.

The previous prime is 2385728633. The next prime is 2385728689. The reversal of 2385728650 is 568275832.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1999252369 + 386476281 = 44713^2 + 19659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2385728650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23857237 + ... + 23857336.

Almost surely, 2^2385728650 is an apocalyptic number.

2385728650 is a deficient number, since it is larger than the sum of its proper divisors (2051726732).

2385728650 is a wasteful number, since it uses less digits than its factorization.

2385728650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47714585 (or 47714580 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 2385728650 is about 48843.9213208768. The cubic root of 2385728650 is about 1336.2068136484.

The spelling of 2385728650 in words is "two billion, three hundred eighty-five million, seven hundred twenty-eight thousand, six hundred fifty".