2684686201853 has 2 divisors, whose sum is σ = 2684686201854. Its totient is φ = 2684686201852.

The previous prime is 2684686201807. The next prime is 2684686201933. The reversal of 2684686201853 is 3581026864862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2551389652249 + 133296549604 = 1597307^2 + 365098^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684686201853 - 2⁶ = 2684686201789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2684686201792 and 2684686201801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684686201753) 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 as a sum of consecutive naturals, namely, 1342343100926 + 1342343100927.

It is an arithmetic number, because the mean of its divisors is an integer number (1342343100927).

Almost surely, 2^{2684686201853} is an apocalyptic number.

It is an amenable number.

2684686201853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684686201853 is an equidigital number, since it uses as much as digits as its factorization.

2684686201853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 2684686201853 in words is "two trillion, six hundred eighty-four billion, six hundred eighty-six million, two hundred one thousand, eight hundred fifty-three".