34005389709 has 16 divisors (see below), whose sum is σ = 47034328320. Its totient is φ = 21837354240.

The previous prime is 34005389701. The next prime is 34005389729. The reversal of 34005389709 is 90798350043.

It is not a de Polignac number, because 34005389709 - 2³ = 34005389701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34005389701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740072 + ... + 1759505.

It is an arithmetic number, because the mean of its divisors is an integer number (2939645520).

Almost surely, 2^34005389709 is an apocalyptic number.

It is an amenable number.

34005389709 is a deficient number, since it is larger than the sum of its proper divisors (13028938611).

34005389709 is a wasteful number, since it uses less digits than its factorization.

34005389709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499700.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 34005389709 in words is "thirty-four billion, five million, three hundred eighty-nine thousand, seven hundred nine".