3446656625 has 16 divisors (see below), whose sum is σ = 4303245648. Its totient is φ = 2756160000.

The previous prime is 3446656571. The next prime is 3446656637. The reversal of 3446656625 is 5266566443.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1365745936 + 2080910689 = 36956^2 + 45617^2 .

It is not a de Polignac number, because 3446656625 - 2³⁰ = 2372914801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3446656625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408449 + ... + 416801.

It is an arithmetic number, because the mean of its divisors is an integer number (268952853).

Almost surely, 2^3446656625 is an apocalyptic number.

It is an amenable number.

3446656625 is a deficient number, since it is larger than the sum of its proper divisors (856589023).

3446656625 is an equidigital number, since it uses as much as digits as its factorization.

3446656625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11669 (or 11659 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 47.

The square root of 3446656625 is about 58708.2330257009. The cubic root of 3446656625 is about 1510.5415400418.

The spelling of 3446656625 in words is "three billion, four hundred forty-six million, six hundred fifty-six thousand, six hundred twenty-five".