6459604225 has 24 divisors (see below), whose sum is σ = 8193975552. Its totient is φ = 5049720000.

The previous prime is 6459604219. The next prime is 6459604237. The reversal of 6459604225 is 5224069546.

It is a de Polignac number, because none of the positive numbers 2^k-6459604225 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, 322864 + ... + 342286.

It is an arithmetic number, because the mean of its divisors is an integer number (341415648).

Almost surely, 2^6459604225 is an apocalyptic number.

It is an amenable number.

6459604225 is a deficient number, since it is larger than the sum of its proper divisors (1734371327).

6459604225 is a wasteful number, since it uses less digits than its factorization.

6459604225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19737 (or 19732 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 6459604225 is about 80371.6630722545. The cubic root of 6459604225 is about 1862.3814473434.

The spelling of 6459604225 in words is "six billion, four hundred fifty-nine million, six hundred four thousand, two hundred twenty-five".