201534853650 has 48 divisors (see below), whose sum is σ = 538253091264. Its totient is φ = 49608578880.

The previous prime is 201534853609. The next prime is 201534853673. The reversal of 201534853650 is 56358435102.

201534853650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 51673654 + ... + 51677553.

It is an arithmetic number, because the mean of its divisors is an integer number (11213606068).

Almost surely, 2^201534853650 is an apocalyptic number.

201534853650 is an abundant number, since it is smaller than the sum of its proper divisors (336718237614).

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

201534853650 is a wasteful number, since it uses less digits than its factorization.

201534853650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103351235 (or 103351230 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 201534853650 in words is "two hundred one billion, five hundred thirty-four million, eight hundred fifty-three thousand, six hundred fifty".