5639779364 has 12 divisors (see below), whose sum is σ = 9907142784. Its totient is φ = 2809167144.

The previous prime is 5639779357. The next prime is 5639779403. The reversal of 5639779364 is 4639779365.

It is a happy number.

It is a super-2 number, since 2×5639779364² = 63614222549200488992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679452 + ... + 2681555.

It is an arithmetic number, because the mean of its divisors is an integer number (825595232).

Almost surely, 2^5639779364 is an apocalyptic number.

It is an amenable number.

5639779364 is a deficient number, since it is larger than the sum of its proper divisors (4267363420).

5639779364 is a wasteful number, since it uses less digits than its factorization.

5639779364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361274 (or 5361272 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 59.

The square root of 5639779364 is about 75098.4644583363. The cubic root of 5639779364 is about 1780.0028788406.

Subtracting from 5639779364 its reverse (4639779365), we obtain a palindrome (999999999).

The spelling of 5639779364 in words is "five billion, six hundred thirty-nine million, seven hundred seventy-nine thousand, three hundred sixty-four".