28429669323 has 24 divisors (see below), whose sum is σ = 44849138880. Its totient is φ = 17210536560.

The previous prime is 28429669297. The next prime is 28429669327. The reversal of 28429669323 is 32396692482.

28429669323 is a `hidden beast` number, since 28 + 4 + 296 + 6 + 9 + 323 = 666.

It is not a de Polignac number, because 28429669323 - 2⁸ = 28429669067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28429669323.

It is not an unprimeable number, because it can be changed into a prime (28429669327) 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 23 ways as a sum of consecutive naturals, for example, 75193 + ... + 250026.

It is an arithmetic number, because the mean of its divisors is an integer number (1868714120).

Almost surely, 2^28429669323 is an apocalyptic number.

28429669323 is a deficient number, since it is larger than the sum of its proper divisors (16419469557).

28429669323 is a wasteful number, since it uses less digits than its factorization.

28429669323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326119 (or 326116 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 28429669323 in words is "twenty-eight billion, four hundred twenty-nine million, six hundred sixty-nine thousand, three hundred twenty-three".