1313563453446 has 32 divisors (see below), whose sum is σ = 2856843894240. Its totient is φ = 400960544256.

The previous prime is 1313563453439. The next prime is 1313563453453. The reversal of 1313563453446 is 6443543653131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313563453439) and next prime (1313563453453).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1313563453395 and 1313563453404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174024241 + ... + 174031788.

It is an arithmetic number, because the mean of its divisors is an integer number (89276371695).

Almost surely, 2^{1313563453446} is an apocalyptic number.

1313563453446 is an abundant number, since it is smaller than the sum of its proper divisors (1543280440794).

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

1313563453446 is a wasteful number, since it uses less digits than its factorization.

1313563453446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348056088.

The product of its digits is 4665600, while the sum is 48.

The spelling of 1313563453446 in words is "one trillion, three hundred thirteen billion, five hundred sixty-three million, four hundred fifty-three thousand, four hundred forty-six".