5278892489 has 4 divisors (see below), whose sum is σ = 5684961156. Its totient is φ = 4872823824.

The previous prime is 5278892473. The next prime is 5278892537. The reversal of 5278892489 is 9842988725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1075315264 + 4203577225 = 32792^2 + 64835^2 .

It is a cyclic number.

It is not a de Polignac number, because 5278892489 - 2⁴ = 5278892473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278892429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203034314 + ... + 203034339.

It is an arithmetic number, because the mean of its divisors is an integer number (1421240289).

Almost surely, 2^5278892489 is an apocalyptic number.

It is an amenable number.

5278892489 is a deficient number, since it is larger than the sum of its proper divisors (406068667).

5278892489 is a wasteful number, since it uses less digits than its factorization.

5278892489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406068666.

The product of its digits is 23224320, while the sum is 62.

The square root of 5278892489 is about 72655.9872894175. The cubic root of 5278892489 is about 1741.1957791953.

The spelling of 5278892489 in words is "five billion, two hundred seventy-eight million, eight hundred ninety-two thousand, four hundred eighty-nine".