2686380012 has 24 divisors (see below), whose sum is σ = 6964689200. Its totient is φ = 895459968.

The previous prime is 2686379953. The next prime is 2686380019. The reversal of 2686380012 is 2100836862.

2686380012 is a `hidden beast` number, since 2 + 6 + 8 + 638 + 0 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2686380019) 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 7 ways as a sum of consecutive naturals, for example, 12436837 + ... + 12437052.

Almost surely, 2^2686380012 is an apocalyptic number.

It is an amenable number.

2686380012 is an abundant number, since it is smaller than the sum of its proper divisors (4278309188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686380012 is a wasteful number, since it uses less digits than its factorization.

2686380012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24873902 (or 24873894 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2686380012 is about 51830.3001341879. The cubic root of 2686380012 is about 1390.1312803219.

The spelling of 2686380012 in words is "two billion, six hundred eighty-six million, three hundred eighty thousand, twelve".