28955118349 has 2 divisors, whose sum is σ = 28955118350. Its totient is φ = 28955118348.

The previous prime is 28955118323. The next prime is 28955118377. The reversal of 28955118349 is 94381155982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28370349225 + 584769124 = 168435^2 + 24182^2 .

It is a cyclic number.

It is not a de Polignac number, because 28955118349 - 2⁵ = 28955118317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28955118349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28955118649) 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, 14477559174 + 14477559175.

It is an arithmetic number, because the mean of its divisors is an integer number (14477559175).

Almost surely, 2^28955118349 is an apocalyptic number.

It is an amenable number.

28955118349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28955118349 is an equidigital number, since it uses as much as digits as its factorization.

28955118349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 55.

The spelling of 28955118349 in words is "twenty-eight billion, nine hundred fifty-five million, one hundred eighteen thousand, three hundred forty-nine".