289336904091 has 16 divisors (see below), whose sum is σ = 430891499520. Its totient is φ = 191881364040.

The previous prime is 289336904083. The next prime is 289336904137. The reversal of 289336904091 is 190409633982.

It is not a de Polignac number, because 289336904091 - 2³ = 289336904083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289336903091) 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, 28047675 + ... + 28057988.

It is an arithmetic number, because the mean of its divisors is an integer number (26930718720).

Almost surely, 2^289336904091 is an apocalyptic number.

289336904091 is a deficient number, since it is larger than the sum of its proper divisors (141554595429).

289336904091 is a wasteful number, since it uses less digits than its factorization.

289336904091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56105863 (or 56105857 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 289336904091 in words is "two hundred eighty-nine billion, three hundred thirty-six million, nine hundred four thousand, ninety-one".