6812751316625 has 16 divisors (see below), whose sum is σ = 8502392812368. Its totient is φ = 5450150304000.

The previous prime is 6812751316603. The next prime is 6812751316627. The reversal of 6812751316625 is 5266131572186.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3380391125056 + 3432360191569 = 1838584^2 + 1852663^2 .

It is not a de Polignac number, because 6812751316625 - 2¹⁸ = 6812751054481 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6812751316627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19113539 + ... + 19466711.

It is an arithmetic number, because the mean of its divisors is an integer number (531399550773).

Almost surely, 2^{6812751316625} is an apocalyptic number.

It is an amenable number.

6812751316625 is a deficient number, since it is larger than the sum of its proper divisors (1689641495743).

6812751316625 is a wasteful number, since it uses less digits than its factorization.

6812751316625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507509 (or 507499 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The spelling of 6812751316625 in words is "six trillion, eight hundred twelve billion, seven hundred fifty-one million, three hundred sixteen thousand, six hundred twenty-five".