1318380650468 has 24 divisors (see below), whose sum is σ = 2636787495552. Its totient is φ = 565014665664.

The previous prime is 1318380650443. The next prime is 1318380650497. The reversal of 1318380650468 is 8640560838131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944705 + ... + 4265847.

It is an arithmetic number, because the mean of its divisors is an integer number (109866145648).

Almost surely, 2^{1318380650468} is an apocalyptic number.

It is an amenable number.

1318380650468 is an abundant number, since it is smaller than the sum of its proper divisors (1318406845084).

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

1318380650468 is a wasteful number, since it uses less digits than its factorization.

1318380650468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467771 (or 467769 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 1318380650468 in words is "one trillion, three hundred eighteen billion, three hundred eighty million, six hundred fifty thousand, four hundred sixty-eight".