1313663844228 has 24 divisors (see below), whose sum is σ = 3065383382880. Its totient is φ = 437863984320.

The previous prime is 1313663844191. The next prime is 1313663844263. The reversal of 1313663844228 is 8224483663131.

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, 2766358 + ... + 3206253.

It is an arithmetic number, because the mean of its divisors is an integer number (127724307620).

Almost surely, 2^{1313663844228} is an apocalyptic number.

It is an amenable number.

1313663844228 is an abundant number, since it is smaller than the sum of its proper divisors (1751719538652).

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

1313663844228 is a wasteful number, since it uses less digits than its factorization.

1313663844228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990947 (or 5990945 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 1313663844228 in words is "one trillion, three hundred thirteen billion, six hundred sixty-three million, eight hundred forty-four thousand, two hundred twenty-eight".