34242816421 has 24 divisors (see below), whose sum is σ = 38520364320. Its totient is φ = 30179952000.

The previous prime is 34242816407. The next prime is 34242816431. The reversal of 34242816421 is 12461824243.

It is not a de Polignac number, because 34242816421 - 2¹¹ = 34242814373 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 (34242816401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3453571 + ... + 3463471.

It is an arithmetic number, because the mean of its divisors is an integer number (1605015180).

Almost surely, 2^34242816421 is an apocalyptic number.

It is an amenable number.

34242816421 is a deficient number, since it is larger than the sum of its proper divisors (4277547899).

34242816421 is an equidigital number, since it uses as much as digits as its factorization.

34242816421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117 (or 10044 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The spelling of 34242816421 in words is "thirty-four billion, two hundred forty-two million, eight hundred sixteen thousand, four hundred twenty-one".