28998803131229 has 2 divisors, whose sum is σ = 28998803131230. Its totient is φ = 28998803131228.

The previous prime is 28998803131159. The next prime is 28998803131231. The reversal of 28998803131229 is 92213130889982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25027957812025 + 3970845319204 = 5002795^2 + 1992698^2 .

It is a cyclic number.

It is not a de Polignac number, because 28998803131229 - 2²⁸ = 28998534695773 is a prime.

Together with 28998803131231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28998803137229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14499401565614 + 14499401565615.

It is an arithmetic number, because the mean of its divisors is an integer number (14499401565615).

Almost surely, 2^{28998803131229} is an apocalyptic number.

It is an amenable number.

28998803131229 is a deficient number, since it is larger than the sum of its proper divisors (1).

28998803131229 is an equidigital number, since it uses as much as digits as its factorization.

28998803131229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 65.

The spelling of 28998803131229 in words is "twenty-eight trillion, nine hundred ninety-eight billion, eight hundred three million, one hundred thirty-one thousand, two hundred twenty-nine".