2305644650 has 12 divisors (see below), whose sum is σ = 4288499142. Its totient is φ = 922257840.

The previous prime is 2305644631. The next prime is 2305644673. The reversal of 2305644650 is 564465032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1543939849 + 761704801 = 39293^2 + 27599^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2305644650.

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, 23056397 + ... + 23056496.

Almost surely, 2^2305644650 is an apocalyptic number.

2305644650 is a deficient number, since it is larger than the sum of its proper divisors (1982854492).

2305644650 is a wasteful number, since it uses less digits than its factorization.

2305644650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46112905 (or 46112900 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2305644650 is about 48017.1287146576. The cubic root of 2305644650 is about 1321.0850907048.

The spelling of 2305644650 in words is "two billion, three hundred five million, six hundred forty-four thousand, six hundred fifty".