2685215714814 has 20 divisors (see below), whose sum is σ = 6016872250224. Its totient is φ = 895071904884.

The previous prime is 2685215714813. The next prime is 2685215714821. The reversal of 2685215714814 is 4184175125862.

2685215714814 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 2 + 157 + 1 + 481 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685215714813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8287702662 + ... + 8287702985.

Almost surely, 2^{2685215714814} is an apocalyptic number.

2685215714814 is an abundant number, since it is smaller than the sum of its proper divisors (3331656535410).

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

2685215714814 is a wasteful number, since it uses less digits than its factorization.

2685215714814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575405661 (or 16575405652 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The spelling of 2685215714814 in words is "two trillion, six hundred eighty-five billion, two hundred fifteen million, seven hundred fourteen thousand, eight hundred fourteen".