5178673369 has 3 divisors (see below), whose sum is σ = 5178745333. Its totient is φ = 5178601406.

The previous prime is 5178673327. The next prime is 5178673373. The reversal of 5178673369 is 9633768715.

The square root of 5178673369 is 71963.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-5178673369 is a prime.

It is a super-2 number, since 2×5178673369² = 53637315725579620322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178673319) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35982 + ... + 107944.

Almost surely, 2^5178673369 is an apocalyptic number.

5178673369 is the 71963-rd square number.

5178673369 is the 35982-nd centered octagonal number.

It is an amenable number.

5178673369 is a deficient number, since it is larger than the sum of its proper divisors (71964).

5178673369 is an frugal number, since it uses more digits than its factorization.

5178673369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143926 (or 71963 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The cubic root of 5178673369 is about 1730.1065087510.

The spelling of 5178673369 in words is "five billion, one hundred seventy-eight million, six hundred seventy-three thousand, three hundred sixty-nine".