199701727050 has 144 divisors (see below), whose sum is σ = 595985916960. Its totient is φ = 44072058240.

The previous prime is 199701727033. The next prime is 199701727063. The reversal of 199701727050 is 50727107991.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 255304 + ... + 681603.

It is an arithmetic number, because the mean of its divisors is an integer number (4138791090).

Almost surely, 2^199701727050 is an apocalyptic number.

199701727050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199701727050 is an abundant number, since it is smaller than the sum of its proper divisors (396284189910).

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

199701727050 is a wasteful number, since it uses less digits than its factorization.

199701727050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936965 (or 936953 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 48.

The spelling of 199701727050 in words is "one hundred ninety-nine billion, seven hundred one million, seven hundred twenty-seven thousand, fifty".