171067000649 has 2 divisors, whose sum is σ = 171067000650. Its totient is φ = 171067000648.

The previous prime is 171067000513. The next prime is 171067000691. The reversal of 171067000649 is 946000760171.

171067000649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132820158025 + 38246842624 = 364445^2 + 195568^2 .

It is an emirp because it is prime and its reverse (946000760171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171067000649 - 2²⁰ = 171065952073 is a prime.

It is a super-2 number, since 2×171067000649² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (171067500649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85533500324 + 85533500325.

It is an arithmetic number, because the mean of its divisors is an integer number (85533500325).

Almost surely, 2^171067000649 is an apocalyptic number.

It is an amenable number.

171067000649 is a deficient number, since it is larger than the sum of its proper divisors (1).

171067000649 is an equidigital number, since it uses as much as digits as its factorization.

171067000649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 171067000649 in words is "one hundred seventy-one billion, sixty-seven million, six hundred forty-nine", and thus it is an aban number.