5397640568 has 16 divisors (see below), whose sum is σ = 10144064160. Its totient is φ = 2692556800.

The previous prime is 5397640561. The next prime is 5397640613. The reversal of 5397640568 is 8650467935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5397640561) 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 3 ways as a sum of consecutive naturals, for example, 779273 + ... + 786168.

It is an arithmetic number, because the mean of its divisors is an integer number (634004010).

Almost surely, 2^5397640568 is an apocalyptic number.

It is an amenable number.

5397640568 is a deficient number, since it is larger than the sum of its proper divisors (4746423592).

5397640568 is a wasteful number, since it uses less digits than its factorization.

5397640568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565878 (or 1565874 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 5397640568 is about 73468.6366281558. The cubic root of 5397640568 is about 1754.1550864068.

The spelling of 5397640568 in words is "five billion, three hundred ninety-seven million, six hundred forty thousand, five hundred sixty-eight".