13319376009 has 4 divisors (see below), whose sum is σ = 17759168016. Its totient is φ = 8879584004.

The previous prime is 13319375999. The next prime is 13319376131. The reversal of 13319376009 is 90067391331.

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 13319376009 - 2¹⁷ = 13319244937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13319372009) 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, 2219895999 + ... + 2219896004.

It is an arithmetic number, because the mean of its divisors is an integer number (4439792004).

Almost surely, 2^13319376009 is an apocalyptic number.

It is an amenable number.

13319376009 is a deficient number, since it is larger than the sum of its proper divisors (4439792007).

13319376009 is an equidigital number, since it uses as much as digits as its factorization.

13319376009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439792006.

The product of its (nonzero) digits is 91854, while the sum is 42.

The spelling of 13319376009 in words is "thirteen billion, three hundred nineteen million, three hundred seventy-six thousand, nine".