2686012545 has 16 divisors (see below), whose sum is σ = 4298670720. Its totient is φ = 1432189824.

The previous prime is 2686012517. The next prime is 2686012559. The reversal of 2686012545 is 5452106862.

It is not a de Polignac number, because 2686012545 - 2⁶ = 2686012481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48901 + ... + 88109.

It is an arithmetic number, because the mean of its divisors is an integer number (268666920).

Almost surely, 2^2686012545 is an apocalyptic number.

It is an amenable number.

2686012545 is a deficient number, since it is larger than the sum of its proper divisors (1612658175).

2686012545 is a wasteful number, since it uses less digits than its factorization.

2686012545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43784.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2686012545 is about 51826.7551077626. The cubic root of 2686012545 is about 1390.0678925829.

The spelling of 2686012545 in words is "two billion, six hundred eighty-six million, twelve thousand, five hundred forty-five".