4520688641 has 16 divisors (see below), whose sum is σ = 5244818688. Its totient is φ = 3816254400.

The previous prime is 4520688631. The next prime is 4520688647. The reversal of 4520688641 is 1468860254.

It is a happy number.

It is not a de Polignac number, because 4520688641 - 2³⁰ = 3446946817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4520688592 and 4520688601.

It is not an unprimeable number, because it can be changed into a prime (4520688647) 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 15 ways as a sum of consecutive naturals, for example, 523031 + ... + 531603.

It is an arithmetic number, because the mean of its divisors is an integer number (327801168).

Almost surely, 2^4520688641 is an apocalyptic number.

It is an amenable number.

4520688641 is a deficient number, since it is larger than the sum of its proper divisors (724130047).

4520688641 is a wasteful number, since it uses less digits than its factorization.

4520688641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 4520688641 is about 67236.0665193912. The cubic root of 4520688641 is about 1653.4898454048.

The spelling of 4520688641 in words is "four billion, five hundred twenty million, six hundred eighty-eight thousand, six hundred forty-one".