13453533253 has 8 divisors (see below), whose sum is σ = 14323622040. Its totient is φ = 12592189440.

The previous prime is 13453533241. The next prime is 13453533263. The reversal of 13453533253 is 35233535431.

It can be written as a sum of positive squares in 4 ways, for example, as 446815044 + 13006718209 = 21138^2 + 114047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13453533253 - 2¹³ = 13453525061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453533263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183068 + ... + 2189221.

It is an arithmetic number, because the mean of its divisors is an integer number (1790452755).

Almost surely, 2^13453533253 is an apocalyptic number.

It is an amenable number.

13453533253 is a deficient number, since it is larger than the sum of its proper divisors (870088787).

13453533253 is a wasteful number, since it uses less digits than its factorization.

13453533253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372487.

The product of its digits is 243000, while the sum is 37.

The spelling of 13453533253 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, two hundred fifty-three".