2016382356809 has 2 divisors, whose sum is σ = 2016382356810. Its totient is φ = 2016382356808.

The previous prime is 2016382356787. The next prime is 2016382356869. The reversal of 2016382356809 is 9086532836102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990074490000 + 26307866809 = 1410700^2 + 162197^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016382356809 - 2³⁶ = 1947662880073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2016382356869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008191178404 + 1008191178405.

It is an arithmetic number, because the mean of its divisors is an integer number (1008191178405).

Almost surely, 2^{2016382356809} is an apocalyptic number.

It is an amenable number.

2016382356809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016382356809 is an equidigital number, since it uses as much as digits as its factorization.

2016382356809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 2016382356809 in words is "two trillion, sixteen billion, three hundred eighty-two million, three hundred fifty-six thousand, eight hundred nine".