29184985672 has 32 divisors (see below), whose sum is σ = 54907463520. Its totient is φ = 14543077120.

The previous prime is 29184985657. The next prime is 29184985673. The reversal of 29184985672 is 27658948192.

It is a self number, because there is not a number n which added to its sum of digits gives 29184985672.

It is not an unprimeable number, because it can be changed into a prime (29184985673) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3286983 + ... + 3295849.

It is an arithmetic number, because the mean of its divisors is an integer number (1715858235).

Almost surely, 2^29184985672 is an apocalyptic number.

It is an amenable number.

29184985672 is a deficient number, since it is larger than the sum of its proper divisors (25722477848).

29184985672 is a wasteful number, since it uses less digits than its factorization.

29184985672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221 (or 10217 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 29184985672 in words is "twenty-nine billion, one hundred eighty-four million, nine hundred eighty-five thousand, six hundred seventy-two".