33421203029 has 2 divisors, whose sum is σ = 33421203030. Its totient is φ = 33421203028.

The previous prime is 33421203001. The next prime is 33421203073. The reversal of 33421203029 is 92030212433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32400720004 + 1020483025 = 180002^2 + 31945^2 .

It is an emirp because it is prime and its reverse (92030212433) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33421203029 is a prime.

It is a super-2 number, since 2×33421203029² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33421202992 and 33421203010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33421233029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16710601514 + 16710601515.

It is an arithmetic number, because the mean of its divisors is an integer number (16710601515).

Almost surely, 2^33421203029 is an apocalyptic number.

It is an amenable number.

33421203029 is a deficient number, since it is larger than the sum of its proper divisors (1).

33421203029 is an equidigital number, since it uses as much as digits as its factorization.

33421203029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 33421203029 in words is "thirty-three billion, four hundred twenty-one million, two hundred three thousand, twenty-nine".