6448648335 has 32 divisors (see below), whose sum is σ = 10957332672. Its totient is φ = 3227320320.

The previous prime is 6448648333. The next prime is 6448648351. The reversal of 6448648335 is 5338468446.

It is a happy number.

It is not a de Polignac number, because 6448648335 - 2¹ = 6448648333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448648333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48415 + ... + 123455.

It is an arithmetic number, because the mean of its divisors is an integer number (342416646).

Almost surely, 2^6448648335 is an apocalyptic number.

6448648335 is a deficient number, since it is larger than the sum of its proper divisors (4508684337).

6448648335 is a wasteful number, since it uses less digits than its factorization.

6448648335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75403.

The product of its digits is 6635520, while the sum is 51.

The square root of 6448648335 is about 80303.4764814077. The cubic root of 6448648335 is about 1861.3279466461.

The spelling of 6448648335 in words is "six billion, four hundred forty-eight million, six hundred forty-eight thousand, three hundred thirty-five".