6448763562 has 8 divisors (see below), whose sum is σ = 12897527136. Its totient is φ = 2149587852.

The previous prime is 6448763557. The next prime is 6448763591. The reversal of 6448763562 is 2653678446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6448763562 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537396958 + ... + 537396969.

It is an arithmetic number, because the mean of its divisors is an integer number (1612190892).

Almost surely, 2^6448763562 is an apocalyptic number.

6448763562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6448763562 is a wasteful number, since it uses less digits than its factorization.

6448763562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074793932.

The product of its digits is 5806080, while the sum is 51.

The square root of 6448763562 is about 80304.1939253486. The cubic root of 6448763562 is about 1861.3390328948.

The spelling of 6448763562 in words is "six billion, four hundred forty-eight million, seven hundred sixty-three thousand, five hundred sixty-two".