5639779365 has 16 divisors (see below), whose sum is σ = 9843978816. Its totient is φ = 2734438400.

The previous prime is 5639779357. The next prime is 5639779403.

5639779365 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5639779365 - 2³ = 5639779357 is a prime.

It is a super-2 number, since 2×5639779365² = 63614222571759606450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5639779299 and 5639779308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17090076 + ... + 17090405.

It is an arithmetic number, because the mean of its divisors is an integer number (615248676).

Almost surely, 2^5639779365 is an apocalyptic number.

5639779365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5639779365 is a deficient number, since it is larger than the sum of its proper divisors (4204199451).

5639779365 is a wasteful number, since it uses less digits than its factorization.

5639779365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34180500.

The product of its digits is 32148900, while the sum is 60.

The square root of 5639779365 is about 75098.4644649942. The cubic root of 5639779365 is about 1780.0028789458.

The spelling of 5639779365 in words is "five billion, six hundred thirty-nine million, seven hundred seventy-nine thousand, three hundred sixty-five".