13345451194 has 16 divisors (see below), whose sum is σ = 20212078248. Its totient is φ = 6608189952.

The previous prime is 13345451191. The next prime is 13345451209. The reversal of 13345451194 is 49115454331.

It can be written as a sum of positive squares in 4 ways, for example, as 5626950169 + 7718501025 = 75013^2 + 87855^2 .

It is not an unprimeable number, because it can be changed into a prime (13345451191) 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, 255694 + ... + 303430.

Almost surely, 2^13345451194 is an apocalyptic number.

13345451194 is a deficient number, since it is larger than the sum of its proper divisors (6866627054).

13345451194 is a wasteful number, since it uses less digits than its factorization.

13345451194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49089.

The product of its digits is 129600, while the sum is 40.

The spelling of 13345451194 in words is "thirteen billion, three hundred forty-five million, four hundred fifty-one thousand, one hundred ninety-four".