1313563453447 has 8 divisors (see below), whose sum is σ = 1516078894752. Its totient is φ = 1114763892000.

The previous prime is 1313563453439. The next prime is 1313563453453. The reversal of 1313563453447 is 7443543653131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313563453447 - 2³ = 1313563453439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313563453447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313563453487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928969204 + ... + 928970617.

It is an arithmetic number, because the mean of its divisors is an integer number (189509861844).

Almost surely, 2^{1313563453447} is an apocalyptic number.

1313563453447 is a deficient number, since it is larger than the sum of its proper divisors (202515441305).

1313563453447 is a wasteful number, since it uses less digits than its factorization.

1313563453447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857939929.

The product of its digits is 5443200, while the sum is 49.

The spelling of 1313563453447 in words is "one trillion, three hundred thirteen billion, five hundred sixty-three million, four hundred fifty-three thousand, four hundred forty-seven".