29884644641 has 8 divisors (see below), whose sum is σ = 32315811840. Its totient is φ = 27528282688.

The previous prime is 29884644631. The next prime is 29884644649. The reversal of 29884644641 is 14644648892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29884644641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29884644649) 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, 18700481 + ... + 18702078.

It is an arithmetic number, because the mean of its divisors is an integer number (4039476480).

Almost surely, 2^29884644641 is an apocalyptic number.

It is an amenable number.

29884644641 is a deficient number, since it is larger than the sum of its proper divisors (2431167199).

29884644641 is a wasteful number, since it uses less digits than its factorization.

29884644641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37402623.

The product of its digits is 10616832, while the sum is 56.

The spelling of 29884644641 in words is "twenty-nine billion, eight hundred eighty-four million, six hundred forty-four thousand, six hundred forty-one".