13311544609 has 16 divisors (see below), whose sum is σ = 15371424000. Its totient is φ = 11400408720.

The previous prime is 13311544573. The next prime is 13311544619. The reversal of 13311544609 is 90644511331.

It is a cyclic number.

It is not a de Polignac number, because 13311544609 - 2⁷ = 13311544481 is a prime.

It is a super-6 number, since 6×13311544609⁶ (a number of 62 digits) contains 666666 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311544619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140499 + ... + 215320.

It is an arithmetic number, because the mean of its divisors is an integer number (960714000).

Almost surely, 2^13311544609 is an apocalyptic number.

13311544609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13311544609 is a deficient number, since it is larger than the sum of its proper divisors (2059879391).

13311544609 is a wasteful number, since it uses less digits than its factorization.

13311544609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356028.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 13311544609 in words is "thirteen billion, three hundred eleven million, five hundred forty-four thousand, six hundred nine".