13573408133 has 2 divisors, whose sum is σ = 13573408134. Its totient is φ = 13573408132.

The previous prime is 13573408111. The next prime is 13573408201. The reversal of 13573408133 is 33180437531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10115732929 + 3457675204 = 100577^2 + 58802^2 .

It is a cyclic number.

It is not a de Polignac number, because 13573408133 - 2²⁰ = 13572359557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13573408103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6786704066 + 6786704067.

It is an arithmetic number, because the mean of its divisors is an integer number (6786704067).

Almost surely, 2^13573408133 is an apocalyptic number.

It is an amenable number.

13573408133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13573408133 is an equidigital number, since it uses as much as digits as its factorization.

13573408133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 13573408133 in words is "thirteen billion, five hundred seventy-three million, four hundred eight thousand, one hundred thirty-three".