6629608405 has 32 divisors (see below), whose sum is σ = 9784730880. Its totient is φ = 4208440320.

The previous prime is 6629608397. The next prime is 6629608411. The reversal of 6629608405 is 5048069266.

It is not a de Polignac number, because 6629608405 - 2³ = 6629608397 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55035 + ... + 127624.

It is an arithmetic number, because the mean of its divisors is an integer number (305772840).

Almost surely, 2^6629608405 is an apocalyptic number.

It is an amenable number.

6629608405 is a deficient number, since it is larger than the sum of its proper divisors (3155122475).

6629608405 is a wasteful number, since it uses less digits than its factorization.

6629608405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182749.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 6629608405 is about 81422.4072660591. The cubic root of 6629608405 is about 1878.5782600999.

The spelling of 6629608405 in words is "six billion, six hundred twenty-nine million, six hundred eight thousand, four hundred five".