12808463518 has 8 divisors (see below), whose sum is σ = 19538334360. Its totient is φ = 6295685400.

The previous prime is 12808463501. The next prime is 12808463539. The reversal of 12808463518 is 81536480821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54273033 + ... + 54273268.

It is an arithmetic number, because the mean of its divisors is an integer number (2442291795).

Almost surely, 2^12808463518 is an apocalyptic number.

12808463518 is a deficient number, since it is larger than the sum of its proper divisors (6729870842).

12808463518 is a wasteful number, since it uses less digits than its factorization.

12808463518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108546362.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 12808463518 in words is "twelve billion, eight hundred eight million, four hundred sixty-three thousand, five hundred eighteen".