28341996049 has 2 divisors, whose sum is σ = 28341996050. Its totient is φ = 28341996048.

The previous prime is 28341995999. The next prime is 28341996073. The reversal of 28341996049 is 94069914382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23860363024 + 4481633025 = 154468^2 + 66945^2 .

It is a cyclic number.

It is not a de Polignac number, because 28341996049 - 2²³ = 28333607441 is a prime.

It is a super-2 number, since 2×28341996049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28341996149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14170998024 + 14170998025.

It is an arithmetic number, because the mean of its divisors is an integer number (14170998025).

Almost surely, 2^28341996049 is an apocalyptic number.

It is an amenable number.

28341996049 is a deficient number, since it is larger than the sum of its proper divisors (1).

28341996049 is an equidigital number, since it uses as much as digits as its factorization.

28341996049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 28341996049 in words is "twenty-eight billion, three hundred forty-one million, nine hundred ninety-six thousand, forty-nine".