6448862825 has 12 divisors (see below), whose sum is σ = 8097815040. Its totient is φ = 5093783760.

The previous prime is 6448862801. The next prime is 6448862831. The reversal of 6448862825 is 5282688446.

It is a happy number.

It is not a de Polignac number, because 6448862825 - 2¹⁸ = 6448600681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630649 + ... + 1634598.

It is an arithmetic number, because the mean of its divisors is an integer number (674817920).

Almost surely, 2^6448862825 is an apocalyptic number.

It is an amenable number.

6448862825 is a deficient number, since it is larger than the sum of its proper divisors (1648952215).

6448862825 is a wasteful number, since it uses less digits than its factorization.

6448862825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265336 (or 3265331 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 53.

The square root of 6448862825 is about 80304.8119666561. The cubic root of 6448862825 is about 1861.3485831053.

The spelling of 6448862825 in words is "six billion, four hundred forty-eight million, eight hundred sixty-two thousand, eight hundred twenty-five".