13336572049 has 4 divisors (see below), whose sum is σ = 13337136880. Its totient is φ = 13336007220.

The previous prime is 13336572023. The next prime is 13336572059. The reversal of 13336572049 is 94027563331.

It is a happy number.

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 13336572049 - 2¹⁷ = 13336440977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13336571996 and 13336572014.

It is not an unprimeable number, because it can be changed into a prime (13336572059) 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, 245379 + ... + 294760.

It is an arithmetic number, because the mean of its divisors is an integer number (3334284220).

Almost surely, 2^13336572049 is an apocalyptic number.

It is an amenable number.

13336572049 is a deficient number, since it is larger than the sum of its proper divisors (564831).

13336572049 is an equidigital number, since it uses as much as digits as its factorization.

13336572049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564830.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 13336572049 in words is "thirteen billion, three hundred thirty-six million, five hundred seventy-two thousand, forty-nine".