1353613645845 has 64 divisors (see below), whose sum is σ = 2413404322560. Its totient is φ = 719836367616.

The previous prime is 1353613645829. The next prime is 1353613645877. The reversal of 1353613645845 is 5485463163531.

1353613645845 is a `hidden beast` number, since 1 + 3 + 53 + 6 + 1 + 3 + 6 + 4 + 584 + 5 = 666.

It is not a de Polignac number, because 1353613645845 - 2⁴ = 1353613645829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1353613645791 and 1353613645800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67090179 + ... + 67110351.

It is an arithmetic number, because the mean of its divisors is an integer number (37709442540).

Almost surely, 2^{1353613645845} is an apocalyptic number.

1353613645845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1353613645845 is a deficient number, since it is larger than the sum of its proper divisors (1059790676715).

1353613645845 is a wasteful number, since it uses less digits than its factorization.

1353613645845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21603 (or 21597 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 1353613645845 in words is "one trillion, three hundred fifty-three billion, six hundred thirteen million, six hundred forty-five thousand, eight hundred forty-five".