6463240625 has 24 divisors (see below), whose sum is σ = 8553811896. Its totient is φ = 4866400000.

The previous prime is 6463240601. The next prime is 6463240669. The reversal of 6463240625 is 5260423646.

6463240625 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 12 ways, for example, as 6043974049 + 419266576 = 77743^2 + 20476^2 .

It is not a de Polignac number, because 6463240625 - 2¹⁴ = 6463224241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7706 + ... + 113955.

It is an arithmetic number, because the mean of its divisors is an integer number (356408829).

Almost surely, 2^6463240625 is an apocalyptic number.

It is an amenable number.

6463240625 is a deficient number, since it is larger than the sum of its proper divisors (2090571271).

6463240625 is an equidigital number, since it uses as much as digits as its factorization.

6463240625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121703 (or 121683 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 6463240625 is about 80394.2822904714. The cubic root of 6463240625 is about 1862.7308543780.

The spelling of 6463240625 in words is "six billion, four hundred sixty-three million, two hundred forty thousand, six hundred twenty-five".