201889834852 has 24 divisors (see below), whose sum is σ = 357731337600. Its totient is φ = 99686342976.

The previous prime is 201889834843. The next prime is 201889834859. The reversal of 201889834852 is 258438988102.

It is not an unprimeable number, because it can be changed into a prime (201889834859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534577 + ... + 830392.

It is an arithmetic number, because the mean of its divisors is an integer number (14905472400).

Almost surely, 2^201889834852 is an apocalyptic number.

It is an amenable number.

201889834852 is a deficient number, since it is larger than the sum of its proper divisors (155841502748).

201889834852 is a wasteful number, since it uses less digits than its factorization.

201889834852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365435 (or 1365433 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 201889834852 in words is "two hundred one billion, eight hundred eighty-nine million, eight hundred thirty-four thousand, eight hundred fifty-two".