34040405081 has 2 divisors, whose sum is σ = 34040405082. Its totient is φ = 34040405080.

The previous prime is 34040405057. The next prime is 34040405153. The reversal of 34040405081 is 18050404043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26346483856 + 7693921225 = 162316^2 + 87715^2 .

It is a cyclic number.

It is not a de Polignac number, because 34040405081 - 2⁶ = 34040405017 is a prime.

It is a super-2 number, since 2×34040405081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34040405051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17020202540 + 17020202541.

It is an arithmetic number, because the mean of its divisors is an integer number (17020202541).

Almost surely, 2^34040405081 is an apocalyptic number.

It is an amenable number.

34040405081 is a deficient number, since it is larger than the sum of its proper divisors (1).

34040405081 is an equidigital number, since it uses as much as digits as its factorization.

34040405081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 34040405081 in words is "thirty-four billion, forty million, four hundred five thousand, eighty-one".