5168781379 has 4 divisors (see below), whose sum is σ = 5176601680. Its totient is φ = 5160961080.

The previous prime is 5168781361. The next prime is 5168781383. The reversal of 5168781379 is 9731878615.

It is a happy number.

5168781379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5168781379 - 2²³ = 5160392771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168781349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909159 + ... + 3910480.

It is an arithmetic number, because the mean of its divisors is an integer number (1294150420).

Almost surely, 2^5168781379 is an apocalyptic number.

5168781379 is a deficient number, since it is larger than the sum of its proper divisors (7820301).

5168781379 is an equidigital number, since it uses as much as digits as its factorization.

5168781379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820300.

The product of its digits is 2540160, while the sum is 55.

The square root of 5168781379 is about 71894.2374533592. The cubic root of 5168781379 is about 1729.0042248598.

The spelling of 5168781379 in words is "five billion, one hundred sixty-eight million, seven hundred eighty-one thousand, three hundred seventy-nine".