1313926218744 has 16 divisors (see below), whose sum is σ = 3284815546920. Its totient is φ = 437975406240.

The previous prime is 1313926218733. The next prime is 1313926218767. The reversal of 1313926218744 is 4478126293131.

It is a happy number.

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, 27373462867 + ... + 27373462914.

Almost surely, 2^{1313926218744} is an apocalyptic number.

It is an amenable number.

1313926218744 is an abundant number, since it is smaller than the sum of its proper divisors (1970889328176).

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

1313926218744 is a wasteful number, since it uses less digits than its factorization.

1313926218744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54746925790 (or 54746925786 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 1313926218744 in words is "one trillion, three hundred thirteen billion, nine hundred twenty-six million, two hundred eighteen thousand, seven hundred forty-four".