2686845055039 has 2 divisors, whose sum is σ = 2686845055040. Its totient is φ = 2686845055038.

The previous prime is 2686845055033. The next prime is 2686845055049. The reversal of 2686845055039 is 9305505486862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2686845055039 - 2¹⁹ = 2686844530751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2686845055033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343422527519 + 1343422527520.

It is an arithmetic number, because the mean of its divisors is an integer number (1343422527520).

Almost surely, 2^{2686845055039} is an apocalyptic number.

2686845055039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686845055039 is an equidigital number, since it uses as much as digits as its factorization.

2686845055039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208000, while the sum is 61.

The spelling of 2686845055039 in words is "two trillion, six hundred eighty-six billion, eight hundred forty-five million, fifty-five thousand, thirty-nine".