2686252545 has 16 divisors (see below), whose sum is σ = 4775560320. Its totient is φ = 1432667952.

The previous prime is 2686252531. The next prime is 2686252559. The reversal of 2686252545 is 5452526862.

It is a happy number.

2686252545 is a `hidden beast` number, since 2 + 6 + 86 + 2 + 525 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (2686252531) and next prime (2686252559).

It is not a de Polignac number, because 2686252545 - 2⁴ = 2686252529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2686252545.

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, 9948949 + ... + 9949218.

It is an arithmetic number, because the mean of its divisors is an integer number (298472520).

Almost surely, 2^2686252545 is an apocalyptic number.

It is an amenable number.

2686252545 is a deficient number, since it is larger than the sum of its proper divisors (2089307775).

2686252545 is a wasteful number, since it uses less digits than its factorization.

2686252545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898181 (or 19898175 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 2686252545 is about 51829.0704624345. The cubic root of 2686252545 is about 1390.1092930297.

The spelling of 2686252545 in words is "two billion, six hundred eighty-six million, two hundred fifty-two thousand, five hundred forty-five".