33421214033381 has 2 divisors, whose sum is σ = 33421214033382. Its totient is φ = 33421214033380.

The previous prime is 33421214033371. The next prime is 33421214033401. The reversal of 33421214033381 is 18333041212433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21514290722500 + 11906923310881 = 4638350^2 + 3450641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33421214033381 is a prime.

It is a super-2 number, since 2×33421214033381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33421214033371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16710607016690 + 16710607016691.

It is an arithmetic number, because the mean of its divisors is an integer number (16710607016691).

Almost surely, 2^{33421214033381} is an apocalyptic number.

It is an amenable number.

33421214033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

33421214033381 is an equidigital number, since it uses as much as digits as its factorization.

33421214033381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 33421214033381 in words is "thirty-three trillion, four hundred twenty-one billion, two hundred fourteen million, thirty-three thousand, three hundred eighty-one".