34388155217 has 8 divisors (see below), whose sum is σ = 37192342824. Its totient is φ = 31606674048.

The previous prime is 34388155183. The next prime is 34388155223. The reversal of 34388155217 is 71255188343.

It can be written as a sum of positive squares in 4 ways, for example, as 1482558016 + 32905597201 = 38504^2 + 181399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34388155217 - 2²⁴ = 34371378001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34388185217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673458 + ... + 5679515.

It is an arithmetic number, because the mean of its divisors is an integer number (4649042853).

Almost surely, 2^34388155217 is an apocalyptic number.

It is an amenable number.

34388155217 is a deficient number, since it is larger than the sum of its proper divisors (2804187607).

34388155217 is a wasteful number, since it uses less digits than its factorization.

34388155217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353219.

The product of its digits is 806400, while the sum is 47.

The spelling of 34388155217 in words is "thirty-four billion, three hundred eighty-eight million, one hundred fifty-five thousand, two hundred seventeen".