190791432089 has 8 divisors (see below), whose sum is σ = 203802198120. Its totient is φ = 177979303936.

The previous prime is 190791432079. The next prime is 190791432121. The reversal of 190791432089 is 980234197091.

190791432089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2916864064 + 187874568025 = 54008^2 + 433445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190791432089 - 2¹⁶ = 190791366553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190791432089.

It is not an unprimeable number, because it can be changed into a prime (190791432059) 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 7 ways as a sum of consecutive naturals, for example, 49657484 + ... + 49661325.

It is an arithmetic number, because the mean of its divisors is an integer number (25475274765).

Almost surely, 2^190791432089 is an apocalyptic number.

It is an amenable number.

190791432089 is a deficient number, since it is larger than the sum of its proper divisors (13010766031).

190791432089 is a wasteful number, since it uses less digits than its factorization.

190791432089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99318939.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 190791432089 in words is "one hundred ninety billion, seven hundred ninety-one million, four hundred thirty-two thousand, eighty-nine".