34688138065085 has 4 divisors (see below), whose sum is σ = 41625765678108. Its totient is φ = 27750510452064.

The previous prime is 34688138065051. The next prime is 34688138065099. The reversal of 34688138065085 is 58056083188643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8262020143129 + 26426117921956 = 2874373^2 + 5140634^2 .

It is a cyclic number.

It is not a de Polignac number, because 34688138065085 - 2²² = 34688133870781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468813806504 + ... + 3468813806513.

It is an arithmetic number, because the mean of its divisors is an integer number (10406441419527).

Almost surely, 2^{34688138065085} is an apocalyptic number.

It is an amenable number.

34688138065085 is a deficient number, since it is larger than the sum of its proper divisors (6937627613023).

34688138065085 is an equidigital number, since it uses as much as digits as its factorization.

34688138065085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937627613022.

The product of its (nonzero) digits is 132710400, while the sum is 65.

The spelling of 34688138065085 in words is "thirty-four trillion, six hundred eighty-eight billion, one hundred thirty-eight million, sixty-five thousand, eighty-five".