13605743156253 has 4 divisors (see below), whose sum is σ = 18140990875008. Its totient is φ = 9070495437500.

The previous prime is 13605743156251. The next prime is 13605743156261. The reversal of 13605743156253 is 35265134750631.

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 13605743156253 - 2¹ = 13605743156251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13605743156196 and 13605743156205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605743156251) 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, 2267623859373 + ... + 2267623859378.

It is an arithmetic number, because the mean of its divisors is an integer number (4535247718752).

Almost surely, 2^{13605743156253} is an apocalyptic number.

It is an amenable number.

13605743156253 is a deficient number, since it is larger than the sum of its proper divisors (4535247718755).

13605743156253 is an equidigital number, since it uses as much as digits as its factorization.

13605743156253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535247718754.

The product of its (nonzero) digits is 6804000, while the sum is 51.

The spelling of 13605743156253 in words is "thirteen trillion, six hundred five billion, seven hundred forty-three million, one hundred fifty-six thousand, two hundred fifty-three".