13209052045 has 8 divisors (see below), whose sum is σ = 18115271424. Its totient is φ = 9057635664.

The previous prime is 13209052013. The next prime is 13209052081. The reversal of 13209052045 is 54025090231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13209052045 - 2⁵ = 13209052013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13209051998 and 13209052016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188700709 + ... + 188700778.

It is an arithmetic number, because the mean of its divisors is an integer number (2264408928).

Almost surely, 2^13209052045 is an apocalyptic number.

It is an amenable number.

13209052045 is a deficient number, since it is larger than the sum of its proper divisors (4906219379).

13209052045 is an equidigital number, since it uses as much as digits as its factorization.

13209052045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377401499.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 13209052045 in words is "thirteen billion, two hundred nine million, fifty-two thousand, forty-five".