13603216401233 has 4 divisors (see below), whose sum is σ = 13603226140260. Its totient is φ = 13603206662208.

The previous prime is 13603216401223. The next prime is 13603216401239. The reversal of 13603216401233 is 33210461230631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12711385481809 + 891830919424 = 3565303^2 + 944368^2 .

It is a cyclic number.

It is not a de Polignac number, because 13603216401233 - 2²⁸ = 13602947965777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13603216401193 and 13603216401202.

It is not an unprimeable number, because it can be changed into a prime (13603216401239) 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, 2334428 + ... + 5714541.

It is an arithmetic number, because the mean of its divisors is an integer number (3400806535065).

Almost surely, 2^{13603216401233} is an apocalyptic number.

It is an amenable number.

13603216401233 is a deficient number, since it is larger than the sum of its proper divisors (9739027).

13603216401233 is an equidigital number, since it uses as much as digits as its factorization.

13603216401233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739026.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 13603216401233 its reverse (33210461230631), we get a palindrome (46813677631864).

The spelling of 13603216401233 in words is "thirteen trillion, six hundred three billion, two hundred sixteen million, four hundred one thousand, two hundred thirty-three".