33034314421 has 2 divisors, whose sum is σ = 33034314422. Its totient is φ = 33034314420.

The previous prime is 33034314419. The next prime is 33034314449. The reversal of 33034314421 is 12441343033.

It is an a-pointer prime, because the next prime (33034314449) can be obtained adding 33034314421 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28363275396 + 4671039025 = 168414^2 + 68345^2 .

It is a cyclic number.

It is not a de Polignac number, because 33034314421 - 2¹ = 33034314419 is a prime.

Together with 33034314419, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 33034314421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33034314821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16517157210 + 16517157211.

It is an arithmetic number, because the mean of its divisors is an integer number (16517157211).

Almost surely, 2^33034314421 is an apocalyptic number.

It is an amenable number.

33034314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33034314421 is an equidigital number, since it uses as much as digits as its factorization.

33034314421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33034314421 its reverse (12441343033), we get a palindrome (45475657454).

The spelling of 33034314421 in words is "thirty-three billion, thirty-four million, three hundred fourteen thousand, four hundred twenty-one".