34438637817 has 24 divisors (see below), whose sum is σ = 52238182464. Its totient is φ = 21820971744.

The previous prime is 34438637803. The next prime is 34438637837. The reversal of 34438637817 is 71873683443.

It is not a de Polignac number, because 34438637817 - 2¹⁴ = 34438621433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34438637837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497343 + ... + 562340.

It is an arithmetic number, because the mean of its divisors is an integer number (2176590936).

Almost surely, 2^34438637817 is an apocalyptic number.

It is an amenable number.

34438637817 is a deficient number, since it is larger than the sum of its proper divisors (17799544647).

34438637817 is a wasteful number, since it uses less digits than its factorization.

34438637817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059869 (or 1059866 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 34438637817 in words is "thirty-four billion, four hundred thirty-eight million, six hundred thirty-seven thousand, eight hundred seventeen".