29663164809 has 18 divisors (see below), whose sum is σ = 44036131230. Its totient is φ = 19240963776.

The previous prime is 29663164793. The next prime is 29663164823. The reversal of 29663164809 is 90846136692.

29663164809 is a `hidden beast` number, since 2 + 96 + 63 + 16 + 480 + 9 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 10573597584 + 19089567225 = 102828^2 + 138165^2 .

It is not a de Polignac number, because 29663164809 - 2⁴ = 29663164793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29663164889) 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 17 ways as a sum of consecutive naturals, for example, 1191444 + ... + 1216085.

It is an arithmetic number, because the mean of its divisors is an integer number (2446451735).

Almost surely, 2^29663164809 is an apocalyptic number.

It is an amenable number.

29663164809 is a deficient number, since it is larger than the sum of its proper divisors (14372966421).

29663164809 is a wasteful number, since it uses less digits than its factorization.

29663164809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407609 (or 2407569 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 29663164809 in words is "twenty-nine billion, six hundred sixty-three million, one hundred sixty-four thousand, eight hundred nine".