4891368489 has 8 divisors (see below), whose sum is σ = 7453513920. Its totient is φ = 2795067696.

The previous prime is 4891368457. The next prime is 4891368497. The reversal of 4891368489 is 9848631984.

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

It is not a de Polignac number, because 4891368489 - 2⁵ = 4891368457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4891368589) 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, 116461134 + ... + 116461175.

It is an arithmetic number, because the mean of its divisors is an integer number (931689240).

Almost surely, 2^4891368489 is an apocalyptic number.

It is an amenable number.

4891368489 is a deficient number, since it is larger than the sum of its proper divisors (2562145431).

4891368489 is a wasteful number, since it uses less digits than its factorization.

4891368489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232922319.

The product of its digits is 11943936, while the sum is 60.

The square root of 4891368489 is about 69938.3191748272. The cubic root of 4891368489 is about 1697.5013453167.

The spelling of 4891368489 in words is "four billion, eight hundred ninety-one million, three hundred sixty-eight thousand, four hundred eighty-nine".