34120204309 has 4 divisors (see below), whose sum is σ = 34121365740. Its totient is φ = 34119042880.

The previous prime is 34120204277. The next prime is 34120204333. The reversal of 34120204309 is 90340202143.

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 13322238084 + 20797966225 = 115422^2 + 144215^2 .

It is a cyclic number.

It is not a de Polignac number, because 34120204309 - 2⁵ = 34120204277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34120204369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535474 + ... + 595795.

It is an arithmetic number, because the mean of its divisors is an integer number (8530341435).

Almost surely, 2^34120204309 is an apocalyptic number.

It is an amenable number.

34120204309 is a deficient number, since it is larger than the sum of its proper divisors (1161431).

34120204309 is a wasteful number, since it uses less digits than its factorization.

34120204309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161430.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 34120204309 in words is "thirty-four billion, one hundred twenty million, two hundred four thousand, three hundred nine".