33035452421 has 2 divisors, whose sum is σ = 33035452422. Its totient is φ = 33035452420.

The previous prime is 33035452379. The next prime is 33035452427. The reversal of 33035452421 is 12425453033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33018887521 + 16564900 = 181711^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33035452421 is a prime.

It is a super-2 number, since 2×33035452421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33035452427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16517726210 + 16517726211.

It is an arithmetic number, because the mean of its divisors is an integer number (16517726211).

Almost surely, 2^33035452421 is an apocalyptic number.

It is an amenable number.

33035452421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33035452421 is an equidigital number, since it uses as much as digits as its factorization.

33035452421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 33035452421 in words is "thirty-three billion, thirty-five million, four hundred fifty-two thousand, four hundred twenty-one".