289106672345 has 8 divisors (see below), whose sum is σ = 352615351560. Its totient is φ = 227493774720.

The previous prime is 289106672341. The next prime is 289106672347. The reversal of 289106672345 is 543276601982.

It can be written as a sum of positive squares in 4 ways, for example, as 36673782016 + 252432890329 = 191504^2 + 502427^2 .

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

It is not a de Polignac number, because 289106672345 - 2² = 289106672341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289106672341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473945060 + ... + 473945669.

It is an arithmetic number, because the mean of its divisors is an integer number (44076918945).

It is a 2-persistent number, because it is pandigital, and so is 2⋅289106672345 = 578213344690, but 3⋅289106672345 = 867320017035 is not.

Almost surely, 2^289106672345 is an apocalyptic number.

It is an amenable number.

289106672345 is a deficient number, since it is larger than the sum of its proper divisors (63508679215).

289106672345 is an equidigital number, since it uses as much as digits as its factorization.

289106672345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947890795.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 289106672345 in words is "two hundred eighty-nine billion, one hundred six million, six hundred seventy-two thousand, three hundred forty-five".