33440000071 has 2 divisors, whose sum is σ = 33440000072. Its totient is φ = 33440000070.

The previous prime is 33440000051. The next prime is 33440000123. The reversal of 33440000071 is 17000004433.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33440000071 - 2¹¹ = 33439998023 is a prime.

It is a super-2 number, since 2×33440000071² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33439999997 and 33440000051.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33440000051) 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, 16720000035 + 16720000036.

It is an arithmetic number, because the mean of its divisors is an integer number (16720000036).

Almost surely, 2^33440000071 is an apocalyptic number.

33440000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440000071 is an equidigital number, since it uses as much as digits as its factorization.

33440000071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The spelling of 33440000071 in words is "thirty-three billion, four hundred forty million, seventy-one", and thus it is an aban number.