5601649268 has 12 divisors (see below), whose sum is σ = 9810871140. Its totient is φ = 2798543232.

The previous prime is 5601649267. The next prime is 5601649271. The reversal of 5601649268 is 8629461065.

It can be written as a sum of positive squares in 2 ways, for example, as 5250161764 + 351487504 = 72458^2 + 18748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5601649267) 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, 564821 + ... + 574652.

It is an arithmetic number, because the mean of its divisors is an integer number (817572595).

Almost surely, 2^5601649268 is an apocalyptic number.

It is an amenable number.

5601649268 is a deficient number, since it is larger than the sum of its proper divisors (4209221872).

5601649268 is a wasteful number, since it uses less digits than its factorization.

5601649268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140706 (or 1140704 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 5601649268 is about 74844.1665595923. The cubic root of 5601649268 is about 1775.9823187138.

The spelling of 5601649268 in words is "five billion, six hundred one million, six hundred forty-nine thousand, two hundred sixty-eight".