34639347871 has 2 divisors, whose sum is σ = 34639347872. Its totient is φ = 34639347870.

The previous prime is 34639347833. The next prime is 34639347901. The reversal of 34639347871 is 17874393643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34639347871 - 2¹¹ = 34639345823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34639341871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319673935 + 17319673936.

It is an arithmetic number, because the mean of its divisors is an integer number (17319673936).

Almost surely, 2^34639347871 is an apocalyptic number.

34639347871 is a deficient number, since it is larger than the sum of its proper divisors (1).

34639347871 is an equidigital number, since it uses as much as digits as its factorization.

34639347871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 55.

The spelling of 34639347871 in words is "thirty-four billion, six hundred thirty-nine million, three hundred forty-seven thousand, eight hundred seventy-one".