189680389342 has 4 divisors (see below), whose sum is σ = 284520584016. Its totient is φ = 94840194670.

The previous prime is 189680389331. The next prime is 189680389399. The reversal of 189680389342 is 243983086981.

189680389342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×189680389342³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 47420097334 + ... + 47420097337.

It is an arithmetic number, because the mean of its divisors is an integer number (71130146004).

Almost surely, 2^189680389342 is an apocalyptic number.

189680389342 is a deficient number, since it is larger than the sum of its proper divisors (94840194674).

189680389342 is an equidigital number, since it uses as much as digits as its factorization.

189680389342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94840194673.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 189680389342 in words is "one hundred eighty-nine billion, six hundred eighty million, three hundred eighty-nine thousand, three hundred forty-two".