6448862761 has 32 divisors (see below), whose sum is σ = 7404318720. Its totient is φ = 5563166400.

The previous prime is 6448862759. The next prime is 6448862801. The reversal of 6448862761 is 1672688446.

It is not a de Polignac number, because 6448862761 - 2¹ = 6448862759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6448862699 and 6448862708.

It is not an unprimeable number, because it can be changed into a prime (6448862701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6328110 + ... + 6329128.

It is an arithmetic number, because the mean of its divisors is an integer number (231384960).

Almost surely, 2^6448862761 is an apocalyptic number.

It is an amenable number.

6448862761 is a deficient number, since it is larger than the sum of its proper divisors (955455959).

6448862761 is a wasteful number, since it uses less digits than its factorization.

6448862761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 3096576, while the sum is 52.

The square root of 6448862761 is about 80304.8115681744. The cubic root of 6448862761 is about 1861.3485769478.

The spelling of 6448862761 in words is "six billion, four hundred forty-eight million, eight hundred sixty-two thousand, seven hundred sixty-one".