13004450545 has 8 divisors (see below), whose sum is σ = 15609669696. Its totient is φ = 10400674416.

The previous prime is 13004450513. The next prime is 13004450549. The reversal of 13004450545 is 54505440031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13004450545 - 2⁵ = 13004450513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004450549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340827 + ... + 377056.

It is an arithmetic number, because the mean of its divisors is an integer number (1951208712).

Almost surely, 2^13004450545 is an apocalyptic number.

It is an amenable number.

13004450545 is a deficient number, since it is larger than the sum of its proper divisors (2605219151).

13004450545 is an equidigital number, since it uses as much as digits as its factorization.

13004450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721511.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 13004450545 its reverse (54505440031), we get a palindrome (67509890576).

The spelling of 13004450545 in words is "thirteen billion, four million, four hundred fifty thousand, five hundred forty-five".