193690909650 has 96 divisors (see below), whose sum is σ = 563812663680. Its totient is φ = 43075653120.

The previous prime is 193690909627. The next prime is 193690909667. The reversal of 193690909650 is 56909096391.

193690909650 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 47 ways as a sum of consecutive naturals, for example, 2453955 + ... + 2531654.

It is an arithmetic number, because the mean of its divisors is an integer number (5873048580).

Almost surely, 2^193690909650 is an apocalyptic number.

193690909650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193690909650 is an abundant number, since it is smaller than the sum of its proper divisors (370121754030).

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

193690909650 is a wasteful number, since it uses less digits than its factorization.

193690909650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985668 (or 4985663 counting only the distinct ones).

The product of its (nonzero) digits is 3542940, while the sum is 57.

The spelling of 193690909650 in words is "one hundred ninety-three billion, six hundred ninety million, nine hundred nine thousand, six hundred fifty".