34040391173 has 2 divisors, whose sum is σ = 34040391174. Its totient is φ = 34040391172.

The previous prime is 34040391137. The next prime is 34040391181. The reversal of 34040391173 is 37119304043.

Together with previous prime (34040391137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33987872164 + 52519009 = 184358^2 + 7247^2 .

It is a cyclic number.

It is not a de Polignac number, because 34040391173 - 2⁶ = 34040391109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34040391103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17020195586 + 17020195587.

It is an arithmetic number, because the mean of its divisors is an integer number (17020195587).

Almost surely, 2^34040391173 is an apocalyptic number.

It is an amenable number.

34040391173 is a deficient number, since it is larger than the sum of its proper divisors (1).

34040391173 is an equidigital number, since it uses as much as digits as its factorization.

34040391173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 34040391173 in words is "thirty-four billion, forty million, three hundred ninety-one thousand, one hundred seventy-three".