6945236605225 has 12 divisors (see below), whose sum is σ = 8612815464396. Its totient is φ = 5555723430080.

The previous prime is 6945236605199. The next prime is 6945236605261. The reversal of 6945236605225 is 5225066325496.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 970282130841 + 5974954474384 = 985029^2 + 2444372^2 .

It is not a de Polignac number, because 6945236605225 - 2⁵ = 6945236605193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11342062 + ... + 11938711.

It is an arithmetic number, because the mean of its divisors is an integer number (717734622033).

Almost surely, 2^{6945236605225} is an apocalyptic number.

It is an amenable number.

6945236605225 is a deficient number, since it is larger than the sum of its proper divisors (1667578859171).

6945236605225 is a wasteful number, since it uses less digits than its factorization.

6945236605225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23292716 (or 23292711 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 55.

The spelling of 6945236605225 in words is "six trillion, nine hundred forty-five billion, two hundred thirty-six million, six hundred five thousand, two hundred twenty-five".