6448465650 has 192 divisors, whose sum is σ = 17998848000. Its totient is φ = 1514304000.

The previous prime is 6448465577. The next prime is 6448465663. The reversal of 6448465650 is 565648446.

It is a self number, because there is not a number n which added to its sum of digits gives 6448465650.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13462111 + ... + 13462589.

It is an arithmetic number, because the mean of its divisors is an integer number (93744000).

Almost surely, 2^6448465650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6448465650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8999424000).

6448465650 is an abundant number, since it is smaller than the sum of its proper divisors (11550382350).

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

6448465650 is a wasteful number, since it uses less digits than its factorization.

6448465650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The square root of 6448465650 is about 80302.3390070302. The cubic root of 6448465650 is about 1861.3103698409.

The spelling of 6448465650 in words is "six billion, four hundred forty-eight million, four hundred sixty-five thousand, six hundred fifty".