5178363285709 has 4 divisors (see below), whose sum is σ = 5191675273980. Its totient is φ = 5165051297440.

The previous prime is 5178363285701. The next prime is 5178363285773. The reversal of 5178363285709 is 9075823638715.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1879065224100 + 3299298061609 = 1370790^2 + 1816397^2 .

It is a cyclic number.

It is not a de Polignac number, because 5178363285709 - 2³ = 5178363285701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178363285701) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6655993552 + ... + 6655994329.

It is an arithmetic number, because the mean of its divisors is an integer number (1297918818495).

Almost surely, 2^{5178363285709} is an apocalyptic number.

It is an amenable number.

5178363285709 is a deficient number, since it is larger than the sum of its proper divisors (13311988271).

5178363285709 is a wasteful number, since it uses less digits than its factorization.

5178363285709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311988270.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 5178363285709 in words is "five trillion, one hundred seventy-eight billion, three hundred sixty-three million, two hundred eighty-five thousand, seven hundred nine".