5193779165 has 8 divisors (see below), whose sum is σ = 6235153848. Its totient is φ = 4153277440.

The previous prime is 5193779159. The next prime is 5193779183. The reversal of 5193779165 is 5619773915.

It can be written as a sum of positive squares in 4 ways, for example, as 39400729 + 5154378436 = 6277^2 + 71794^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5193779165 - 2²⁶ = 5126670301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 205076 + ... + 229005.

It is an arithmetic number, because the mean of its divisors is an integer number (779394231).

Almost surely, 2^5193779165 is an apocalyptic number.

It is an amenable number.

5193779165 is a deficient number, since it is larger than the sum of its proper divisors (1041374683).

5193779165 is a wasteful number, since it uses less digits than its factorization.

5193779165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436479.

The product of its digits is 1786050, while the sum is 53.

The square root of 5193779165 is about 72067.8788712419. The cubic root of 5193779165 is about 1731.7870721118.

The spelling of 5193779165 in words is "five billion, one hundred ninety-three million, seven hundred seventy-nine thousand, one hundred sixty-five".