289131205448 has 32 divisors (see below), whose sum is σ = 580980461760. Its totient is φ = 134542837440.

The previous prime is 289131205427. The next prime is 289131205463. The reversal of 289131205448 is 844502131982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21227858 + ... + 21241473.

It is an arithmetic number, because the mean of its divisors is an integer number (18155639430).

Almost surely, 2^289131205448 is an apocalyptic number.

It is an amenable number.

289131205448 is an abundant number, since it is smaller than the sum of its proper divisors (291849256312).

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

289131205448 is a wasteful number, since it uses less digits than its factorization.

289131205448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42469397 (or 42469393 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 289131205448 in words is "two hundred eighty-nine billion, one hundred thirty-one million, two hundred five thousand, four hundred forty-eight".