13369025018 has 4 divisors (see below), whose sum is σ = 20053537530. Its totient is φ = 6684512508.

The previous prime is 13369025003. The next prime is 13369025023. The reversal of 13369025018 is 81052096331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81052096331 = 50971 ⋅1590161.

It can be written as a sum of positive squares in only one way, i.e., 12422662849 + 946362169 = 111457^2 + 30763^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342256253 + ... + 3342256256.

Almost surely, 2^13369025018 is an apocalyptic number.

13369025018 is a deficient number, since it is larger than the sum of its proper divisors (6684512512).

13369025018 is an equidigital number, since it uses as much as digits as its factorization.

13369025018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684512511.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 13369025018 in words is "thirteen billion, three hundred sixty-nine million, twenty-five thousand, eighteen".