13461218194 has 4 divisors (see below), whose sum is σ = 20191827294. Its totient is φ = 6730609096.

The previous prime is 13461218167. The next prime is 13461218209. The reversal of 13461218194 is 49181216431.

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: 49181216431 = 313 ⋅157128487.

It can be written as a sum of positive squares in only one way, i.e., 11766825625 + 1694392569 = 108475^2 + 41163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365304547 + ... + 3365304550.

Almost surely, 2^13461218194 is an apocalyptic number.

13461218194 is a deficient number, since it is larger than the sum of its proper divisors (6730609100).

13461218194 is an equidigital number, since it uses as much as digits as its factorization.

13461218194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730609099.

The product of its digits is 41472, while the sum is 40.

The spelling of 13461218194 in words is "thirteen billion, four hundred sixty-one million, two hundred eighteen thousand, one hundred ninety-four".