28107303349 has 2 divisors, whose sum is σ = 28107303350. Its totient is φ = 28107303348.

The previous prime is 28107303251. The next prime is 28107303373. The reversal of 28107303349 is 94330370182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20568722724 + 7538580625 = 143418^2 + 86825^2 .

It is a cyclic number.

It is not a de Polignac number, because 28107303349 - 2¹¹ = 28107301301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28107304349) 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, 14053651674 + 14053651675.

It is an arithmetic number, because the mean of its divisors is an integer number (14053651675).

Almost surely, 2^28107303349 is an apocalyptic number.

It is an amenable number.

28107303349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28107303349 is an equidigital number, since it uses as much as digits as its factorization.

28107303349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 28107303349 in words is "twenty-eight billion, one hundred seven million, three hundred three thousand, three hundred forty-nine".