68834002171 has 6 divisors (see below), whose sum is σ = 75660514916. Its totient is φ = 62576365500.

The previous prime is 68834002147. The next prime is 68834002183. The reversal of 68834002171 is 17120043886.

It is not a de Polignac number, because 68834002171 - 2²¹ = 68831905019 is a prime.

It is a super-3 number, since 3×68834002171³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68834002571) 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 in 5 ways as a sum of consecutive naturals, for example, 284437905 + ... + 284438146.

Almost surely, 2^68834002171 is an apocalyptic number.

68834002171 is a deficient number, since it is larger than the sum of its proper divisors (6826512745).

68834002171 is a wasteful number, since it uses less digits than its factorization.

68834002171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568876073 (or 568876062 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 68834002171 in words is "sixty-eight billion, eight hundred thirty-four million, two thousand, one hundred seventy-one".