4415820625 has 20 divisors (see below), whose sum is σ = 5522347908. Its totient is φ = 3529880000.

The previous prime is 4415820613. The next prime is 4415820649. The reversal of 4415820625 is 5260285144.

It can be written as a sum of positive squares in 10 ways, for example, as 3110515984 + 1305304641 = 55772^2 + 36129^2 .

It is not a de Polignac number, because 4415820625 - 2⁵ = 4415820593 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 (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1231335 + ... + 1234915.

Almost surely, 2^4415820625 is an apocalyptic number.

It is an amenable number.

4415820625 is a deficient number, since it is larger than the sum of its proper divisors (1106527283).

4415820625 is an equidigital number, since it uses as much as digits as its factorization.

4415820625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 4415820625 is about 66451.6412513641. The cubic root of 4415820625 is about 1640.6041578607.

The spelling of 4415820625 in words is "four billion, four hundred fifteen million, eight hundred twenty thousand, six hundred twenty-five".