5639181284 has 18 divisors (see below), whose sum is σ = 10847269062. Its totient is φ = 2563264000.

The previous prime is 5639181281. The next prime is 5639181311. The reversal of 5639181284 is 4821819365.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3928531684 + 1710649600 = 62678^2 + 41360^2 .

It is not an unprimeable number, because it can be changed into a prime (5639181281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5825117 + ... + 5826084.

It is an arithmetic number, because the mean of its divisors is an integer number (602626059).

Almost surely, 2^5639181284 is an apocalyptic number.

It is an amenable number.

5639181284 is a deficient number, since it is larger than the sum of its proper divisors (5208087778).

5639181284 is a wasteful number, since it uses less digits than its factorization.

5639181284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651227 (or 11651214 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 5639181284 is about 75094.4823805318. The cubic root of 5639181284 is about 1779.9399554715.

The spelling of 5639181284 in words is "five billion, six hundred thirty-nine million, one hundred eighty-one thousand, two hundred eighty-four".