289746906069 has 16 divisors (see below), whose sum is σ = 401325853824. Its totient is φ = 185798995200.

The previous prime is 289746906023. The next prime is 289746906077. The reversal of 289746906069 is 960609647982.

It is not a de Polignac number, because 289746906069 - 2⁷ = 289746905941 is a prime.

It is a super-2 number, since 2×289746906069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289746905069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16580464 + ... + 16597929.

It is an arithmetic number, because the mean of its divisors is an integer number (25082865864).

Almost surely, 2^289746906069 is an apocalyptic number.

It is an amenable number.

289746906069 is a deficient number, since it is larger than the sum of its proper divisors (111578947755).

289746906069 is a wasteful number, since it uses less digits than its factorization.

289746906069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33178508.

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 289746906069 in words is "two hundred eighty-nine billion, seven hundred forty-six million, nine hundred six thousand, sixty-nine".