6477909512 has 16 divisors (see below), whose sum is σ = 12191237100. Its totient is φ = 3226912960.

The previous prime is 6477909511. The next prime is 6477909553. The reversal of 6477909512 is 2159097746.

It can be written as a sum of positive squares in 2 ways, for example, as 6098672836 + 379236676 = 78094^2 + 19474^2 .

It is not an unprimeable number, because it can be changed into a prime (6477909511) by changing a digit.

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, 1502939 + ... + 1507242.

Almost surely, 2^6477909512 is an apocalyptic number.

It is an amenable number.

6477909512 is a deficient number, since it is larger than the sum of its proper divisors (5713327588).

6477909512 is a wasteful number, since it uses less digits than its factorization.

6477909512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010456 (or 3010452 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 6477909512 is about 80485.4614946078. The cubic root of 6477909512 is about 1864.1389995321.

The spelling of 6477909512 in words is "six billion, four hundred seventy-seven million, nine hundred nine thousand, five hundred twelve".