201069197889 has 8 divisors (see below), whose sum is σ = 306391158720. Its totient is φ = 114896684496.

The previous prime is 201069197869. The next prime is 201069197971. The reversal of 201069197889 is 988791960102.

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

It is not a de Polignac number, because 201069197889 - 2¹³ = 201069189697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201069197809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787361834 + ... + 4787361875.

It is an arithmetic number, because the mean of its divisors is an integer number (38298894840).

Almost surely, 2^201069197889 is an apocalyptic number.

It is an amenable number.

201069197889 is a deficient number, since it is larger than the sum of its proper divisors (105321960831).

201069197889 is an equidigital number, since it uses as much as digits as its factorization.

201069197889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574723719.

The product of its (nonzero) digits is 3919104, while the sum is 60.

The spelling of 201069197889 in words is "two hundred one billion, sixty-nine million, one hundred ninety-seven thousand, eight hundred eighty-nine".