13455427361 has 4 divisors (see below), whose sum is σ = 13456108692. Its totient is φ = 13454746032.

The previous prime is 13455427343. The next prime is 13455427367. The reversal of 13455427361 is 16372455431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11847016336 + 1608411025 = 108844^2 + 40105^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455427361 - 2²² = 13451233057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13455427367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310130 + ... + 350843.

It is an arithmetic number, because the mean of its divisors is an integer number (3364027173).

Almost surely, 2^13455427361 is an apocalyptic number.

It is an amenable number.

13455427361 is a deficient number, since it is larger than the sum of its proper divisors (681331).

13455427361 is an equidigital number, since it uses as much as digits as its factorization.

13455427361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681330.

The product of its digits is 302400, while the sum is 41.

The spelling of 13455427361 in words is "thirteen billion, four hundred fifty-five million, four hundred twenty-seven thousand, three hundred sixty-one".