13523796427 has 4 divisors (see below), whose sum is σ = 14111787600. Its totient is φ = 12935805256.

The previous prime is 13523796401. The next prime is 13523796431. The reversal of 13523796427 is 72469732531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13523796427 - 2¹¹ = 13523794379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13523796457) 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, 293995552 + ... + 293995597.

It is an arithmetic number, because the mean of its divisors is an integer number (3527946900).

Almost surely, 2^13523796427 is an apocalyptic number.

13523796427 is a deficient number, since it is larger than the sum of its proper divisors (587991173).

13523796427 is an equidigital number, since it uses as much as digits as its factorization.

13523796427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587991172.

The product of its digits is 1905120, while the sum is 49.

The spelling of 13523796427 in words is "thirteen billion, five hundred twenty-three million, seven hundred ninety-six thousand, four hundred twenty-seven".