5599811644 has 12 divisors (see below), whose sum is σ = 11199623344. Its totient is φ = 2399919264.

The previous prime is 5599811641. The next prime is 5599811669. The reversal of 5599811644 is 4461189955.

5599811644 is an admirable number.

It is a super-3 number, since 3×5599811644³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5599811591 and 5599811600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599811641) 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, 99996609 + ... + 99996664.

Almost surely, 2^5599811644 is an apocalyptic number.

It is an amenable number.

5599811644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5599811644 is a wasteful number, since it uses less digits than its factorization.

5599811644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199993284 (or 199993282 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The square root of 5599811644 is about 74831.8892184341. The cubic root of 5599811644 is about 1775.7880934946.

The spelling of 5599811644 in words is "five billion, five hundred ninety-nine million, eight hundred eleven thousand, six hundred forty-four".