34000287173 has 2 divisors, whose sum is σ = 34000287174. Its totient is φ = 34000287172.

The previous prime is 34000287157. The next prime is 34000287193. The reversal of 34000287173 is 37178200043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28541737249 + 5458549924 = 168943^2 + 73882^2 .

It is a cyclic number.

It is not a de Polignac number, because 34000287173 - 2⁴ = 34000287157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34000287133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000143586 + 17000143587.

It is an arithmetic number, because the mean of its divisors is an integer number (17000143587).

Almost surely, 2^34000287173 is an apocalyptic number.

It is an amenable number.

34000287173 is a deficient number, since it is larger than the sum of its proper divisors (1).

34000287173 is an equidigital number, since it uses as much as digits as its factorization.

34000287173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 34000287173 in words is "thirty-four billion, two hundred eighty-seven thousand, one hundred seventy-three".