28429669322 has 8 divisors (see below), whose sum is σ = 43021889316. Its totient is φ = 14089039552.

The previous prime is 28429669297. The next prime is 28429669327. The reversal of 28429669322 is 22396692482.

It is a Cunningham number, because it is equal to 168611²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 28429669321 + 1 = 168611^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28429669327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62897273 + ... + 62897724.

Almost surely, 2^28429669322 is an apocalyptic number.

28429669322 is a deficient number, since it is larger than the sum of its proper divisors (14592219994).

28429669322 is a wasteful number, since it uses less digits than its factorization.

28429669322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125795112.

The product of its digits is 4478976, while the sum is 53.

The spelling of 28429669322 in words is "twenty-eight billion, four hundred twenty-nine million, six hundred sixty-nine thousand, three hundred twenty-two".