28429636553 has 2 divisors, whose sum is σ = 28429636554. Its totient is φ = 28429636552.

The previous prime is 28429636549. The next prime is 28429636579. The reversal of 28429636553 is 35563692482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17406316489 + 11023320064 = 131933^2 + 104992^2 .

It is a cyclic number.

It is not a de Polignac number, because 28429636553 - 2² = 28429636549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28429636495 and 28429636504.

It is not a weakly prime, because it can be changed into another prime (28429636513) 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 as a sum of consecutive naturals, namely, 14214818276 + 14214818277.

It is an arithmetic number, because the mean of its divisors is an integer number (14214818277).

Almost surely, 2^28429636553 is an apocalyptic number.

It is an amenable number.

28429636553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28429636553 is an equidigital number, since it uses as much as digits as its factorization.

28429636553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 53.

The spelling of 28429636553 in words is "twenty-eight billion, four hundred twenty-nine million, six hundred thirty-six thousand, five hundred fifty-three".