28493595269 has 2 divisors, whose sum is σ = 28493595270. Its totient is φ = 28493595268.

The previous prime is 28493595211. The next prime is 28493595311. The reversal of 28493595269 is 96259539482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17203470244 + 11290125025 = 131162^2 + 106255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28493595269 is a prime.

It is a super-2 number, since 2×28493595269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28493595209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14246797634 + 14246797635.

It is an arithmetic number, because the mean of its divisors is an integer number (14246797635).

Almost surely, 2^28493595269 is an apocalyptic number.

It is an amenable number.

28493595269 is a deficient number, since it is larger than the sum of its proper divisors (1).

28493595269 is an equidigital number, since it uses as much as digits as its factorization.

28493595269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 62.

The spelling of 28493595269 in words is "twenty-eight billion, four hundred ninety-three million, five hundred ninety-five thousand, two hundred sixty-nine".