13074533018 has 4 divisors (see below), whose sum is σ = 19611799530. Its totient is φ = 6537266508.

The previous prime is 13074532993. The next prime is 13074533041. The reversal of 13074533018 is 81033547031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8608685089 + 4465847929 = 92783^2 + 66827^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268633253 + ... + 3268633256.

Almost surely, 2^13074533018 is an apocalyptic number.

13074533018 is a deficient number, since it is larger than the sum of its proper divisors (6537266512).

13074533018 is an equidigital number, since it uses as much as digits as its factorization.

13074533018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537266511.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 13074533018 in words is "thirteen billion, seventy-four million, five hundred thirty-three thousand, eighteen".