6649130815375 has 8 divisors (see below), whose sum is σ = 8298115257744. Its totient is φ = 5319304652200.

The previous prime is 6649130815373. The next prime is 6649130815391. The reversal of 6649130815375 is 5735180319466.

It is not a de Polignac number, because 6649130815375 - 2¹ = 6649130815373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649130815373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26596523137 + ... + 26596523386.

It is an arithmetic number, because the mean of its divisors is an integer number (1037264407218).

Almost surely, 2^{6649130815375} is an apocalyptic number.

6649130815375 is a deficient number, since it is larger than the sum of its proper divisors (1648984442369).

6649130815375 is an equidigital number, since it uses as much as digits as its factorization.

6649130815375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53193046538 (or 53193046528 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 6649130815375 in words is "six trillion, six hundred forty-nine billion, one hundred thirty million, eight hundred fifteen thousand, three hundred seventy-five".