33429033421 has 16 divisors (see below), whose sum is σ = 38489472000. Its totient is φ = 28440096768.

The previous prime is 33429033389. The next prime is 33429033431. The reversal of 33429033421 is 12433092433.

It is a cyclic number.

It is not a de Polignac number, because 33429033421 - 2⁵ = 33429033389 is a prime.

It is a super-2 number, since 2×33429033421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33429033431) 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 in 15 ways as a sum of consecutive naturals, for example, 1489741 + ... + 1512013.

It is an arithmetic number, because the mean of its divisors is an integer number (2405592000).

Almost surely, 2^33429033421 is an apocalyptic number.

It is an amenable number.

33429033421 is a deficient number, since it is larger than the sum of its proper divisors (5060438579).

33429033421 is a wasteful number, since it uses less digits than its factorization.

33429033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23868.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 33429033421 in words is "thirty-three billion, four hundred twenty-nine million, thirty-three thousand, four hundred twenty-one".