201433450253 has 4 divisors (see below), whose sum is σ = 230209657440. Its totient is φ = 172657243068.

The previous prime is 201433450213. The next prime is 201433450289. The reversal of 201433450253 is 352054334102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201433450253 - 2¹⁰ = 201433449229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201433450213) 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, 14388103583 + ... + 14388103596.

It is an arithmetic number, because the mean of its divisors is an integer number (57552414360).

Almost surely, 2^201433450253 is an apocalyptic number.

It is an amenable number.

201433450253 is a deficient number, since it is larger than the sum of its proper divisors (28776207187).

201433450253 is an equidigital number, since it uses as much as digits as its factorization.

201433450253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28776207186.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 201433450253 its reverse (352054334102), we get a palindrome (553487784355).

The spelling of 201433450253 in words is "two hundred one billion, four hundred thirty-three million, four hundred fifty thousand, two hundred fifty-three".