8446669425 has 72 divisors (see below), whose sum is σ = 15424905600. Its totient is φ = 4417459200.

The previous prime is 8446669403. The next prime is 8446669457. The reversal of 8446669425 is 5249666448.

8446669425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8446669425 - 2¹⁰ = 8446668401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3177697 + ... + 3180353.

It is an arithmetic number, because the mean of its divisors is an integer number (214234800).

Almost surely, 2^8446669425 is an apocalyptic number.

It is an amenable number.

8446669425 is a deficient number, since it is larger than the sum of its proper divisors (6978236175).

8446669425 is a wasteful number, since it uses less digits than its factorization.

8446669425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2935 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The square root of 8446669425 is about 91905.7638290439. The cubic root of 8446669425 is about 2036.5504165335.

The spelling of 8446669425 in words is "eight billion, four hundred forty-six million, six hundred sixty-nine thousand, four hundred twenty-five".