6405533329 has 8 divisors (see below), whose sum is σ = 6939576000. Its totient is φ = 5877392016.

The previous prime is 6405533293. The next prime is 6405533333. The reversal of 6405533329 is 9233355046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6405533329 - 2²¹ = 6403436177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6405533291 and 6405533300.

It is not an unprimeable number, because it can be changed into a prime (6405533339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473079 + ... + 1477420.

It is an arithmetic number, because the mean of its divisors is an integer number (867447000).

Almost surely, 2^6405533329 is an apocalyptic number.

It is an amenable number.

6405533329 is a deficient number, since it is larger than the sum of its proper divisors (534042671).

6405533329 is a wasteful number, since it uses less digits than its factorization.

6405533329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950679.

The product of its (nonzero) digits is 291600, while the sum is 40.

The square root of 6405533329 is about 80034.5758344480. The cubic root of 6405533329 is about 1857.1704509417.

The spelling of 6405533329 in words is "six billion, four hundred five million, five hundred thirty-three thousand, three hundred twenty-nine".