6434667368 has 8 divisors (see below), whose sum is σ = 12065001330. Its totient is φ = 3217333680.

The previous prime is 6434667353. The next prime is 6434667409. The reversal of 6434667368 is 8637664346.

It can be written as a sum of positive squares in only one way, i.e., 6402880324 + 31787044 = 80018^2 + 5638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402166703 + ... + 402166718.

Almost surely, 2^6434667368 is an apocalyptic number.

It is an amenable number.

6434667368 is a deficient number, since it is larger than the sum of its proper divisors (5630333962).

6434667368 is a wasteful number, since it uses less digits than its factorization.

6434667368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804333427 (or 804333423 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 53.

The square root of 6434667368 is about 80216.3784273511. The cubic root of 6434667368 is about 1859.9818250816.

The spelling of 6434667368 in words is "six billion, four hundred thirty-four million, six hundred sixty-seven thousand, three hundred sixty-eight".