189433886010 has 64 divisors (see below), whose sum is σ = 458913641472. Its totient is φ = 50043209216.

The previous prime is 189433885967. The next prime is 189433886017. The reversal of 189433886010 is 10688334981.

189433886010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189433886017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1308247 + ... + 1445813.

It is an arithmetic number, because the mean of its divisors is an integer number (7170525648).

Almost surely, 2^189433886010 is an apocalyptic number.

189433886010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189433886010 is an abundant number, since it is smaller than the sum of its proper divisors (269479755462).

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

189433886010 is a wasteful number, since it uses less digits than its factorization.

189433886010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138007.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 189433886010 in words is "one hundred eighty-nine billion, four hundred thirty-three million, eight hundred eighty-six thousand, ten".