6447707468 has 12 divisors (see below), whose sum is σ = 11588447472. Its totient is φ = 3136722480.

The previous prime is 6447707459. The next prime is 6447707473. The reversal of 6447707468 is 8647077446.

It is a happy 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, 21782648 + ... + 21782943.

It is an arithmetic number, because the mean of its divisors is an integer number (965703956).

Almost surely, 2^6447707468 is an apocalyptic number.

It is an amenable number.

6447707468 is a deficient number, since it is larger than the sum of its proper divisors (5140740004).

6447707468 is a wasteful number, since it uses less digits than its factorization.

6447707468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43565632 (or 43565630 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 53.

The square root of 6447707468 is about 80297.6180717710. The cubic root of 6447707468 is about 1861.2374187748.

The spelling of 6447707468 in words is "six billion, four hundred forty-seven million, seven hundred seven thousand, four hundred sixty-eight".