189769125042 has 24 divisors (see below), whose sum is σ = 469904500416. Its totient is φ = 54219749976.

The previous prime is 189769125031. The next prime is 189769125071. The reversal of 189769125042 is 240521967981.

It is a happy number.

189769125042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189769125042.

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 11 ways as a sum of consecutive naturals, for example, 753051958 + ... + 753052209.

It is an arithmetic number, because the mean of its divisors is an integer number (19579354184).

Almost surely, 2^189769125042 is an apocalyptic number.

189769125042 is an abundant number, since it is smaller than the sum of its proper divisors (280135375374).

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

189769125042 is a wasteful number, since it uses less digits than its factorization.

189769125042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506104182 (or 1506104179 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 189769125042 in words is "one hundred eighty-nine billion, seven hundred sixty-nine million, one hundred twenty-five thousand, forty-two".