6345663512 has 16 divisors (see below), whose sum is σ = 11906478360. Its totient is φ = 3170602624.

The previous prime is 6345663497. The next prime is 6345663517. The reversal of 6345663512 is 2153665436.

It is a self number, because there is not a number n which added to its sum of digits gives 6345663512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345663517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266513 + ... + 289344.

Almost surely, 2^6345663512 is an apocalyptic number.

It is an amenable number.

6345663512 is a deficient number, since it is larger than the sum of its proper divisors (5560814848).

6345663512 is a wasteful number, since it uses less digits than its factorization.

6345663512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557290 (or 557286 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 6345663512 is about 79659.6730598362. The cubic root of 6345663512 is about 1851.3662672842.

The spelling of 6345663512 in words is "six billion, three hundred forty-five million, six hundred sixty-three thousand, five hundred twelve".