5640896605 has 32 divisors (see below), whose sum is σ = 7385558400. Its totient is φ = 4121217792.

The previous prime is 5640896593. The next prime is 5640896609. The reversal of 5640896605 is 5066980465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5640896605 - 2²⁵ = 5607342173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640896609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375774 + ... + 390496.

It is an arithmetic number, because the mean of its divisors is an integer number (230798700).

Almost surely, 2^5640896605 is an apocalyptic number.

It is an amenable number.

5640896605 is a deficient number, since it is larger than the sum of its proper divisors (1744661795).

5640896605 is a wasteful number, since it uses less digits than its factorization.

5640896605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 5640896605 is about 75105.9025975988. The cubic root of 5640896605 is about 1780.1204106778.

The spelling of 5640896605 in words is "five billion, six hundred forty million, eight hundred ninety-six thousand, six hundred five".