34203120909 has 4 divisors (see below), whose sum is σ = 45604161216. Its totient is φ = 22802080604.

The previous prime is 34203120907. The next prime is 34203120943. The reversal of 34203120909 is 90902130243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90902130243 = 3 ⋅30300710081.

It is a cyclic number.

It is not a de Polignac number, because 34203120909 - 2¹ = 34203120907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34203120909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34203120907) 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, 5700520149 + ... + 5700520154.

It is an arithmetic number, because the mean of its divisors is an integer number (11401040304).

Almost surely, 2^34203120909 is an apocalyptic number.

It is an amenable number.

34203120909 is a deficient number, since it is larger than the sum of its proper divisors (11401040307).

34203120909 is a wasteful number, since it uses less digits than its factorization.

34203120909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401040306.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 34203120909 in words is "thirty-four billion, two hundred three million, one hundred twenty thousand, nine hundred nine".