6489648925 has 12 divisors (see below), whose sum is σ = 8079232896. Its totient is φ = 5171030000.

The previous prime is 6489648923. The next prime is 6489648937. The reversal of 6489648925 is 5298469846.

It is not a de Polignac number, because 6489648925 - 2¹ = 6489648923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489648923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510829 + ... + 523378.

It is an arithmetic number, because the mean of its divisors is an integer number (673269408).

Almost surely, 2^6489648925 is an apocalyptic number.

It is an amenable number.

6489648925 is a deficient number, since it is larger than the sum of its proper divisors (1589583971).

6489648925 is a wasteful number, since it uses less digits than its factorization.

6489648925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034468 (or 1034463 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The square root of 6489648925 is about 80558.3572635391. The cubic root of 6489648925 is about 1865.2643981586.

The spelling of 6489648925 in words is "six billion, four hundred eighty-nine million, six hundred forty-eight thousand, nine hundred twenty-five".