1316424523444 has 6 divisors (see below), whose sum is σ = 2303742916034. Its totient is φ = 658212261720.

The previous prime is 1316424523387. The next prime is 1316424523451. The reversal of 1316424523444 is 4443254246131.

It can be written as a sum of positive squares in only one way, i.e., 1212619416100 + 103805107344 = 1101190^2 + 322188^2 .

It is a super-2 number, since 2×1316424523444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1316424523444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164553065427 + ... + 164553065434.

Almost surely, 2^{1316424523444} is an apocalyptic number.

It is an amenable number.

1316424523444 is a deficient number, since it is larger than the sum of its proper divisors (987318392590).

1316424523444 is a wasteful number, since it uses less digits than its factorization.

1316424523444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329106130865 (or 329106130863 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 43.

Adding to 1316424523444 its reverse (4443254246131), we get a palindrome (5759678769575).

The spelling of 1316424523444 in words is "one trillion, three hundred sixteen billion, four hundred twenty-four million, five hundred twenty-three thousand, four hundred forty-four".