13143209816 has 32 divisors (see below), whose sum is σ = 27324568080. Its totient is φ = 5876246400.

The previous prime is 13143209773. The next prime is 13143209851. The reversal of 13143209816 is 61890234131.

It is a self number, because there is not a number n which added to its sum of digits gives 13143209816.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1218851 + ... + 1229586.

Almost surely, 2^13143209816 is an apocalyptic number.

It is an amenable number.

13143209816 is an abundant number, since it is smaller than the sum of its proper divisors (14181358264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143209816 is a wasteful number, since it uses less digits than its factorization.

13143209816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448515 (or 2448511 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 13143209816 in words is "thirteen billion, one hundred forty-three million, two hundred nine thousand, eight hundred sixteen".