13453402205 has 8 divisors (see below), whose sum is σ = 16580409432. Its totient is φ = 10471837248.

The previous prime is 13453402177. The next prime is 13453402243. The reversal of 13453402205 is 50220435431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 674908441 + 12778493764 = 25979^2 + 113042^2 .

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 13453402205 - 2⁶ = 13453402141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36360362 + ... + 36360731.

It is an arithmetic number, because the mean of its divisors is an integer number (2072551179).

Almost surely, 2^13453402205 is an apocalyptic number.

It is an amenable number.

13453402205 is a deficient number, since it is larger than the sum of its proper divisors (3127007227).

13453402205 is an equidigital number, since it uses as much as digits as its factorization.

13453402205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72721135.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13453402205 its reverse (50220435431), we get a palindrome (63673837636).

The spelling of 13453402205 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, two hundred five".