6642956525375 has 8 divisors (see below), whose sum is σ = 8290409743824. Its totient is φ = 5314365220200.

The previous prime is 6642956525353. The next prime is 6642956525393. The reversal of 6642956525375 is 5735256592466.

It is not a de Polignac number, because 6642956525375 - 2³⁰ = 6641882783551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26571825977 + ... + 26571826226.

It is an arithmetic number, because the mean of its divisors is an integer number (1036301217978).

Almost surely, 2^{6642956525375} is an apocalyptic number.

6642956525375 is a deficient number, since it is larger than the sum of its proper divisors (1647453218449).

6642956525375 is an equidigital number, since it uses as much as digits as its factorization.

6642956525375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53143652218 (or 53143652208 counting only the distinct ones).

The product of its digits is 408240000, while the sum is 65.

The spelling of 6642956525375 in words is "six trillion, six hundred forty-two billion, nine hundred fifty-six million, five hundred twenty-five thousand, three hundred seventy-five".