5168391797 has 4 divisors (see below), whose sum is σ = 5169187296. Its totient is φ = 5167596300.

The previous prime is 5168391793. The next prime is 5168391841. The reversal of 5168391797 is 7971938615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5168391797 - 2² = 5168391793 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 (5168391793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387923 + ... + 401024.

It is an arithmetic number, because the mean of its divisors is an integer number (1292296824).

Almost surely, 2^5168391797 is an apocalyptic number.

It is an amenable number.

5168391797 is a deficient number, since it is larger than the sum of its proper divisors (795499).

5168391797 is an equidigital number, since it uses as much as digits as its factorization.

5168391797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795498.

The product of its digits is 2857680, while the sum is 56.

The square root of 5168391797 is about 71891.5279918295. The cubic root of 5168391797 is about 1728.9607841982.

The spelling of 5168391797 in words is "five billion, one hundred sixty-eight million, three hundred ninety-one thousand, seven hundred ninety-seven".