5639279616 has 264 divisors, whose sum is σ = 17113640544. Its totient is φ = 1854627840.

The previous prime is 5639279603. The next prime is 5639279641. The reversal of 5639279616 is 6169729365.

5639279616 is a `hidden beast` number, since 563 + 9 + 2 + 79 + 6 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32596906 + ... + 32597078.

It is an arithmetic number, because the mean of its divisors is an integer number (64824396).

Almost surely, 2^5639279616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5639279616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8556820272).

5639279616 is an abundant number, since it is smaller than the sum of its proper divisors (11474360928).

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

5639279616 is a wasteful number, since it uses less digits than its factorization.

5639279616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 309 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 5639279616 is about 75095.1370995486. The cubic root of 5639279616 is about 1779.9503011836.

The spelling of 5639279616 in words is "five billion, six hundred thirty-nine million, two hundred seventy-nine thousand, six hundred sixteen".