23986728650 has 36 divisors (see below), whose sum is σ = 44731474242. Its totient is φ = 9569758080.

The previous prime is 23986728643. The next prime is 23986728659. The reversal of 23986728650 is 5682768932.

It can be written as a sum of positive squares in 9 ways, for example, as 17017985209 + 6968743441 = 130453^2 + 83479^2 .

It is not an unprimeable number, because it can be changed into a prime (23986728659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29649446 + ... + 29650254.

Almost surely, 2^23986728650 is an apocalyptic number.

23986728650 is a deficient number, since it is larger than the sum of its proper divisors (20744745592).

23986728650 is an frugal number, since it uses more digits than its factorization.

23986728650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 23986728650 in words is "twenty-three billion, nine hundred eighty-six million, seven hundred twenty-eight thousand, six hundred fifty".