68265240469 has 2 divisors, whose sum is σ = 68265240470. Its totient is φ = 68265240468.

The previous prime is 68265240377. The next prime is 68265240481. The reversal of 68265240469 is 96404256286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40012000900 + 28253239569 = 200030^2 + 168087^2 .

It is a cyclic number.

It is not a de Polignac number, because 68265240469 - 2¹⁷ = 68265109397 is a prime.

It is a super-2 number, since 2×68265240469² (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 (68265280469) 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, 34132620234 + 34132620235.

It is an arithmetic number, because the mean of its divisors is an integer number (34132620235).

Almost surely, 2^68265240469 is an apocalyptic number.

It is an amenable number.

68265240469 is a deficient number, since it is larger than the sum of its proper divisors (1).

68265240469 is an equidigital number, since it uses as much as digits as its factorization.

68265240469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 68265240469 in words is "sixty-eight billion, two hundred sixty-five million, two hundred forty thousand, four hundred sixty-nine".