2686170479 has 4 divisors (see below), whose sum is σ = 2711274984. Its totient is φ = 2661065976.

The previous prime is 2686170469. The next prime is 2686170503. The reversal of 2686170479 is 9740716862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9740716862 = 2 ⋅4870358431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686170479 is a prime.

It is a super-4 number, since 4×2686170479⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686170419) 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, 12552092 + ... + 12552305.

It is an arithmetic number, because the mean of its divisors is an integer number (677818746).

Almost surely, 2^2686170479 is an apocalyptic number.

2686170479 is a deficient number, since it is larger than the sum of its proper divisors (25104505).

2686170479 is a wasteful number, since it uses less digits than its factorization.

2686170479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25104504.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2686170479 is about 51828.2787578364. The cubic root of 2686170479 is about 1390.0951367694.

The spelling of 2686170479 in words is "two billion, six hundred eighty-six million, one hundred seventy thousand, four hundred seventy-nine".