5139169849 has 8 divisors (see below), whose sum is σ = 5624282592. Its totient is φ = 4657043040.

The previous prime is 5139169829. The next prime is 5139169879. The reversal of 5139169849 is 9489619315.

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

It is a cyclic number.

It is not a de Polignac number, because 5139169849 - 2⁹ = 5139169337 is a prime.

It is a super-2 number, since 2×5139169849² = 52822133473741365602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5139169849.

It is not an unprimeable number, because it can be changed into a prime (5139169829) 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 7 ways as a sum of consecutive naturals, for example, 742879 + ... + 749764.

It is an arithmetic number, because the mean of its divisors is an integer number (703035324).

Almost surely, 2^5139169849 is an apocalyptic number.

It is an amenable number.

5139169849 is a deficient number, since it is larger than the sum of its proper divisors (485112743).

5139169849 is a wasteful number, since it uses less digits than its factorization.

5139169849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492967.

The product of its digits is 2099520, while the sum is 55.

The square root of 5139169849 is about 71688.0035222073. The cubic root of 5139169849 is about 1725.6961244459.

The spelling of 5139169849 in words is "five billion, one hundred thirty-nine million, one hundred sixty-nine thousand, eight hundred forty-nine".