289971690917 has 16 divisors (see below), whose sum is σ = 306612102720. Its totient is φ = 273469996800.

The previous prime is 289971690863. The next prime is 289971690923. The reversal of 289971690917 is 719096179982.

It is a cyclic number.

It is not a de Polignac number, because 289971690917 - 2³² = 285676723621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289971690937) 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 15 ways as a sum of consecutive naturals, for example, 14473367 + ... + 14493387.

It is an arithmetic number, because the mean of its divisors is an integer number (19163256420).

Almost surely, 2^289971690917 is an apocalyptic number.

It is an amenable number.

289971690917 is a deficient number, since it is larger than the sum of its proper divisors (16640411803).

289971690917 is a wasteful number, since it uses less digits than its factorization.

289971690917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444.

The product of its (nonzero) digits is 30862944, while the sum is 68.

The spelling of 289971690917 in words is "two hundred eighty-nine billion, nine hundred seventy-one million, six hundred ninety thousand, nine hundred seventeen".