4509875312641 has 4 divisors (see below), whose sum is σ = 4509884315092. Its totient is φ = 4509866310192.

The previous prime is 4509875312633. The next prime is 4509875312687. The reversal of 4509875312641 is 1462135789054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2521998086400 + 1987877226241 = 1588080^2 + 1409921^2 .

It is a cyclic number.

It is not a de Polignac number, because 4509875312641 - 2³ = 4509875312633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509875312441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702546 + ... + 4767451.

It is an arithmetic number, because the mean of its divisors is an integer number (1127471078773).

It is a 1-persistent number, because it is pandigital, but 2⋅4509875312641 = 9019750625282 is not.

Almost surely, 2^{4509875312641} is an apocalyptic number.

It is an amenable number.

4509875312641 is a deficient number, since it is larger than the sum of its proper divisors (9002451).

4509875312641 is an equidigital number, since it uses as much as digits as its factorization.

4509875312641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002450.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 4509875312641 in words is "four trillion, five hundred nine billion, eight hundred seventy-five million, three hundred twelve thousand, six hundred forty-one".