33424400332243 has 4 divisors (see below), whose sum is σ = 33469629562120. Its totient is φ = 33379171102368.

The previous prime is 33424400332223. The next prime is 33424400332259. The reversal of 33424400332243 is 34223300442433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33424400332243 is a prime.

It is a super-2 number, since 2×33424400332243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33424400332223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22614613830 + ... + 22614615307.

It is an arithmetic number, because the mean of its divisors is an integer number (8367407390530).

Almost surely, 2^{33424400332243} is an apocalyptic number.

33424400332243 is a deficient number, since it is larger than the sum of its proper divisors (45229229877).

33424400332243 is an equidigital number, since it uses as much as digits as its factorization.

33424400332243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45229229876.

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 33424400332243 its reverse (34223300442433), we get a palindrome (67647700774676).

The spelling of 33424400332243 in words is "thirty-three trillion, four hundred twenty-four billion, four hundred million, three hundred thirty-two thousand, two hundred forty-three".