289819889682 has 8 divisors (see below), whose sum is σ = 579639779376. Its totient is φ = 96606629892.

The previous prime is 289819889627. The next prime is 289819889717. The reversal of 289819889682 is 286988918982.

It is a happy number.

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

289819889682 is an admirable number.

It is a super-2 number, since 2×289819889682² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289819889598 and 289819889607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24151657468 + ... + 24151657479.

It is an arithmetic number, because the mean of its divisors is an integer number (72454972422).

Almost surely, 2^289819889682 is an apocalyptic number.

289819889682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

289819889682 is a wasteful number, since it uses less digits than its factorization.

289819889682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48303314952.

The product of its digits is 573308928, while the sum is 78.

The spelling of 289819889682 in words is "two hundred eighty-nine billion, eight hundred nineteen million, eight hundred eighty-nine thousand, six hundred eighty-two".