5613221268 has 42 divisors (see below), whose sum is σ = 14727976074. Its totient is φ = 1871072784.

The previous prime is 5613221267. The next prime is 5613221387. The reversal of 5613221268 is 8621223165.

5613221268 is a `hidden beast` number, since 5 + 613 + 22 + 12 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4046486544 + 1566734724 = 63612^2 + 39582^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 959571 + ... + 965402.

It is an arithmetic number, because the mean of its divisors is an integer number (350666097).

Almost surely, 2^5613221268 is an apocalyptic number.

It is an amenable number.

5613221268 is an abundant number, since it is smaller than the sum of its proper divisors (9114754806).

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

5613221268 is a wasteful number, since it uses less digits than its factorization.

5613221268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924995 (or 1924978 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5613221268 is about 74921.4339691920. The cubic root of 5613221268 is about 1777.2044309057.

The spelling of 5613221268 in words is "five billion, six hundred thirteen million, two hundred twenty-one thousand, two hundred sixty-eight".