289495885164 has 12 divisors (see below), whose sum is σ = 675490398744. Its totient is φ = 96498628384.

The previous prime is 289495885153. The next prime is 289495885219. The reversal of 289495885164 is 461588594982.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12062328537 + ... + 12062328560.

It is an arithmetic number, because the mean of its divisors is an integer number (56290866562).

Almost surely, 2^289495885164 is an apocalyptic number.

It is an amenable number.

289495885164 is an abundant number, since it is smaller than the sum of its proper divisors (385994513580).

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

289495885164 is a wasteful number, since it uses less digits than its factorization.

289495885164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124657104 (or 24124657102 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 69.

The spelling of 289495885164 in words is "two hundred eighty-nine billion, four hundred ninety-five million, eight hundred eighty-five thousand, one hundred sixty-four".