170269352849 has 2 divisors, whose sum is σ = 170269352850. Its totient is φ = 170269352848.

The previous prime is 170269352833. The next prime is 170269352873. The reversal of 170269352849 is 948253962071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135742138624 + 34527214225 = 368432^2 + 185815^2 .

It is a cyclic number.

It is not a de Polignac number, because 170269352849 - 2⁴ = 170269352833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 170269352794 and 170269352803.

It is not a weakly prime, because it can be changed into another prime (170269352249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85134676424 + 85134676425.

It is an arithmetic number, because the mean of its divisors is an integer number (85134676425).

It is a 1-persistent number, because it is pandigital, but 2⋅170269352849 = 340538705698 is not.

Almost surely, 2^170269352849 is an apocalyptic number.

It is an amenable number.

170269352849 is a deficient number, since it is larger than the sum of its proper divisors (1).

170269352849 is an equidigital number, since it uses as much as digits as its factorization.

170269352849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 170269352849 in words is "one hundred seventy billion, two hundred sixty-nine million, three hundred fifty-two thousand, eight hundred forty-nine".