343434505434343 has 4 divisors (see below), whose sum is σ = 343837125019528. Its totient is φ = 343031885849160.

The previous prime is 343434505434329. The next prime is 343434505434451.

343434505434343 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343434505434343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343434505434313) 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, 201309791313 + ... + 201309793018.

It is an arithmetic number, because the mean of its divisors is an integer number (85959281254882).

Almost surely, 2^{343434505434343} is an apocalyptic number.

343434505434343 is a deficient number, since it is larger than the sum of its proper divisors (402619585185).

343434505434343 is an equidigital number, since it uses as much as digits as its factorization.

343434505434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402619585184.

The product of its (nonzero) digits is 74649600, while the sum is 52.

It can be divided in two parts, 34343450 and 5434343, that added together give a palindrome (39777793).

The spelling of 343434505434343 in words is "three hundred forty-three trillion, four hundred thirty-four billion, five hundred five million, four hundred thirty-four thousand, three hundred forty-three".