2686280545 has 16 divisors (see below), whose sum is σ = 3486813120. Its totient is φ = 1974965184.

The previous prime is 2686280521. The next prime is 2686280557. The reversal of 2686280545 is 5450826862.

It is a cyclic number.

It is not a de Polignac number, because 2686280545 - 2⁹ = 2686280033 is a prime.

It is a super-3 number, since 3×2686280545³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2686280495 and 2686280504.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 76275 + ... + 105784.

It is an arithmetic number, because the mean of its divisors is an integer number (217925820).

Almost surely, 2^2686280545 is an apocalyptic number.

It is an amenable number.

2686280545 is a deficient number, since it is larger than the sum of its proper divisors (800532575).

2686280545 is a wasteful number, since it uses less digits than its factorization.

2686280545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182304.

The product of its (nonzero) digits is 921600, while the sum is 46.

The square root of 2686280545 is about 51829.3405804087. The cubic root of 2686280545 is about 1390.1141229212.

The spelling of 2686280545 in words is "two billion, six hundred eighty-six million, two hundred eighty thousand, five hundred forty-five".