5263688986 has 8 divisors (see below), whose sum is σ = 7895906964. Its totient is φ = 2631720000.

The previous prime is 5263688981. The next prime is 5263688987. The reversal of 5263688986 is 6898863625.

It can be written as a sum of positive squares in 2 ways, for example, as 5086399761 + 177289225 = 71319^2 + 13315^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5263688981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5236 + ... + 102736.

Almost surely, 2^5263688986 is an apocalyptic number.

5263688986 is a deficient number, since it is larger than the sum of its proper divisors (2632217978).

5263688986 is a wasteful number, since it uses less digits than its factorization.

5263688986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124496.

The product of its digits is 29859840, while the sum is 61.

The square root of 5263688986 is about 72551.2852125998. The cubic root of 5263688986 is about 1739.5225917529.

The spelling of 5263688986 in words is "five billion, two hundred sixty-three million, six hundred eighty-eight thousand, nine hundred eighty-six".