6419511968 has 48 divisors (see below), whose sum is σ = 13494672576. Its totient is φ = 2998786560.

The previous prime is 6419511947. The next prime is 6419511997. The reversal of 6419511968 is 8691159146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69773 + ... + 133068.

It is an arithmetic number, because the mean of its divisors is an integer number (281139012).

Almost surely, 2^6419511968 is an apocalyptic number.

It is an amenable number.

6419511968 is an abundant number, since it is smaller than the sum of its proper divisors (7075160608).

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

6419511968 is a wasteful number, since it uses less digits than its factorization.

6419511968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202917 (or 202909 counting only the distinct ones).

The product of its digits is 466560, while the sum is 50.

The square root of 6419511968 is about 80121.8569929579. The cubic root of 6419511968 is about 1858.5204219925.

The spelling of 6419511968 in words is "six billion, four hundred nineteen million, five hundred eleven thousand, nine hundred sixty-eight".