29646112005 has 12 divisors (see below), whose sum is σ = 51386594220. Its totient is φ = 15811259712.

The previous prime is 29646111973. The next prime is 29646112019. The reversal of 29646112005 is 50021164692.

29646112005 is a `hidden beast` number, since 2 + 9 + 646 + 1 + 1 + 2 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17166764484 + 12479347521 = 131022^2 + 111711^2 .

It is not a de Polignac number, because 29646112005 - 2⁵ = 29646111973 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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329401200 + ... + 329401289.

It is an arithmetic number, because the mean of its divisors is an integer number (4282216185).

Almost surely, 2^29646112005 is an apocalyptic number.

It is an amenable number.

29646112005 is a deficient number, since it is larger than the sum of its proper divisors (21740482215).

29646112005 is a wasteful number, since it uses less digits than its factorization.

29646112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658802500 (or 658802497 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 29646112005 its reverse (50021164692), we get a palindrome (79667276697).

The spelling of 29646112005 in words is "twenty-nine billion, six hundred forty-six million, one hundred twelve thousand, five".