26284464828469 has 2 divisors, whose sum is σ = 26284464828470. Its totient is φ = 26284464828468.

The previous prime is 26284464828463. The next prime is 26284464828481. The reversal of 26284464828469 is 96482846448262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13682142327844 + 12602322500625 = 3698938^2 + 3549975^2 .

It is a cyclic number.

It is not a de Polignac number, because 26284464828469 - 2¹³ = 26284464820277 is a prime.

It is a super-2 number, since 2×26284464828469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26284464828463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142232414234 + 13142232414235.

It is an arithmetic number, because the mean of its divisors is an integer number (13142232414235).

Almost surely, 2^{26284464828469} is an apocalyptic number.

It is an amenable number.

26284464828469 is a deficient number, since it is larger than the sum of its proper divisors (1).

26284464828469 is an equidigital number, since it uses as much as digits as its factorization.

26284464828469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2038431744, while the sum is 73.

The spelling of 26284464828469 in words is "twenty-six trillion, two hundred eighty-four billion, four hundred sixty-four million, eight hundred twenty-eight thousand, four hundred sixty-nine".