6844894875625 has 15 divisors (see below), whose sum is σ = 8553462369793. Its totient is φ = 5475863575000.

The previous prime is 6844894875619. The next prime is 6844894875653. The reversal of 6844894875625 is 5265784984486.

It is a happy number.

The square root of 6844894875625 is 2616275.

It is a perfect power (a square), and thus also a powerful number.

6844894875625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 536639758249 + 6308255117376 = 732557^2 + 2511624^2 .

It is not a de Polignac number, because 6844894875625 - 2³ = 6844894875617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 65354550 + ... + 65459200.

Almost surely, 2^{6844894875625} is an apocalyptic number.

6844894875625 is the 2616275-th square number.

6844894875625 is the 1308138-th centered octagonal number.

It is an amenable number.

6844894875625 is a deficient number, since it is larger than the sum of its proper divisors (1708567494168).

6844894875625 is an frugal number, since it uses more digits than its factorization.

6844894875625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209322 (or 104656 counting only the distinct ones).

The product of its digits is 3715891200, while the sum is 76.

The spelling of 6844894875625 in words is "six trillion, eight hundred forty-four billion, eight hundred ninety-four million, eight hundred seventy-five thousand, six hundred twenty-five".