289109513 has 8 divisors (see below), whose sum is σ = 360448320. Its totient is φ = 225280080.

The previous prime is 289109507. The next prime is 289109537. The reversal of 289109513 is 315901982.

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

It is a cyclic number.

It is not a de Polignac number, because 289109513 - 2⁶ = 289109449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289109543) 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, 1877258 + ... + 1877411.

It is an arithmetic number, because the mean of its divisors is an integer number (45056040).

Almost surely, 2^289109513 is an apocalyptic number.

It is an amenable number.

289109513 is a deficient number, since it is larger than the sum of its proper divisors (71338807).

289109513 is a wasteful number, since it uses less digits than its factorization.

289109513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754687.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 289109513 is about 17003.2206655092. The cubic root of 289109513 is about 661.2324027178.

The spelling of 289109513 in words is "two hundred eighty-nine million, one hundred nine thousand, five hundred thirteen".