1353633056563 has 4 divisors (see below), whose sum is σ = 1357957763128. Its totient is φ = 1349308350000.

The previous prime is 1353633056551. The next prime is 1353633056569. The reversal of 1353633056563 is 3656503363531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353633056563 is a prime.

It is a super-4 number, since 4×1353633056563⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353633056569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162352813 + ... + 2162353438.

It is an arithmetic number, because the mean of its divisors is an integer number (339489440782).

Almost surely, 2^{1353633056563} is an apocalyptic number.

1353633056563 is a deficient number, since it is larger than the sum of its proper divisors (4324706565).

1353633056563 is an equidigital number, since it uses as much as digits as its factorization.

1353633056563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324706564.

The product of its (nonzero) digits is 6561000, while the sum is 49.

The spelling of 1353633056563 in words is "one trillion, three hundred fifty-three billion, six hundred thirty-three million, fifty-six thousand, five hundred sixty-three".