13544143601 has 4 divisors (see below), whose sum is σ = 13766178804. Its totient is φ = 13322108400.

The previous prime is 13544143589. The next prime is 13544143609. The reversal of 13544143601 is 10634144531.

It is a happy number.

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 4858090000 + 8686053601 = 69700^2 + 93199^2 .

It is a cyclic number.

It is not a de Polignac number, because 13544143601 - 2¹⁸ = 13543881457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13544143609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111017510 + ... + 111017631.

It is an arithmetic number, because the mean of its divisors is an integer number (3441544701).

Almost surely, 2^13544143601 is an apocalyptic number.

It is an amenable number.

13544143601 is a deficient number, since it is larger than the sum of its proper divisors (222035203).

13544143601 is an equidigital number, since it uses as much as digits as its factorization.

13544143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222035202.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 13544143601 in words is "thirteen billion, five hundred forty-four million, one hundred forty-three thousand, six hundred one".