34018389729 has 12 divisors (see below), whose sum is σ = 51274094976. Its totient is φ = 21692886072.

The previous prime is 34018389719. The next prime is 34018389737. The reversal of 34018389729 is 92798381043.

It is not a de Polignac number, because 34018389729 - 2²⁰ = 34017341153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34018389719) 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 in 11 ways as a sum of consecutive naturals, for example, 82169817 + ... + 82170230.

It is an arithmetic number, because the mean of its divisors is an integer number (4272841248).

Almost surely, 2^34018389729 is an apocalyptic number.

It is an amenable number.

34018389729 is a deficient number, since it is larger than the sum of its proper divisors (17255705247).

34018389729 is a wasteful number, since it uses less digits than its factorization.

34018389729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164340076 (or 164340073 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 34018389729 in words is "thirty-four billion, eighteen million, three hundred eighty-nine thousand, seven hundred twenty-nine".