2006217253529 has 2 divisors, whose sum is σ = 2006217253530. Its totient is φ = 2006217253528.

The previous prime is 2006217253487. The next prime is 2006217253597. The reversal of 2006217253529 is 9253527126002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1662686460304 + 343530793225 = 1289452^2 + 586115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006217253529 - 2³⁶ = 1937497776793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006217253529.

It is not a weakly prime, because it can be changed into another prime (2006217253129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003108626764 + 1003108626765.

It is an arithmetic number, because the mean of its divisors is an integer number (1003108626765).

Almost surely, 2^{2006217253529} is an apocalyptic number.

It is an amenable number.

2006217253529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006217253529 is an equidigital number, since it uses as much as digits as its factorization.

2006217253529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 2006217253529 in words is "two trillion, six billion, two hundred seventeen million, two hundred fifty-three thousand, five hundred twenty-nine".