14643400850 has 24 divisors (see below), whose sum is σ = 29331859620. Its totient is φ = 5406793920.

The previous prime is 14643400819. The next prime is 14643400861. The reversal of 14643400850 is 5800434641.

It can be written as a sum of positive squares in 6 ways, for example, as 1915725361 + 12727675489 = 43769^2 + 112817^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14643400850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11263505 + ... + 11264804.

Almost surely, 2^14643400850 is an apocalyptic number.

14643400850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14643400850 is an abundant number, since it is smaller than the sum of its proper divisors (14688458770).

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

14643400850 is a wasteful number, since it uses less digits than its factorization.

14643400850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22528334 (or 22528329 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 14643400850 in words is "fourteen billion, six hundred forty-three million, four hundred thousand, eight hundred fifty".