28642296499 has 2 divisors, whose sum is σ = 28642296500. Its totient is φ = 28642296498.

The previous prime is 28642296481. The next prime is 28642296503. The reversal of 28642296499 is 99469224682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28642296499 - 2¹¹ = 28642294451 is a prime.

It is a super-2 number, since 2×28642296499² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28642296469) 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, 14321148249 + 14321148250.

It is an arithmetic number, because the mean of its divisors is an integer number (14321148250).

Almost surely, 2^28642296499 is an apocalyptic number.

28642296499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28642296499 is an equidigital number, since it uses as much as digits as its factorization.

28642296499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 61.

The spelling of 28642296499 in words is "twenty-eight billion, six hundred forty-two million, two hundred ninety-six thousand, four hundred ninety-nine".