834434534509 has 8 divisors (see below), whose sum is σ = 838702529280. Its totient is φ = 830166866256.

The previous prime is 834434534471. The next prime is 834434534551. The reversal of 834434534509 is 905435434438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834434534509 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 (834434534569) 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, 6322012 + ... + 6452650.

It is an arithmetic number, because the mean of its divisors is an integer number (104837816160).

Almost surely, 2^834434534509 is an apocalyptic number.

It is an amenable number.

834434534509 is a deficient number, since it is larger than the sum of its proper divisors (4267994771).

834434534509 is a wasteful number, since it uses less digits than its factorization.

834434534509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163259.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 834434534509 in words is "eight hundred thirty-four billion, four hundred thirty-four million, five hundred thirty-four thousand, five hundred nine".