68300521441 has 2 divisors, whose sum is σ = 68300521442. Its totient is φ = 68300521440.

The previous prime is 68300521361. The next prime is 68300521451. The reversal of 68300521441 is 14412500386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67654090816 + 646430625 = 260104^2 + 25425^2 .

It is a cyclic number.

It is not a de Polignac number, because 68300521441 - 2¹¹ = 68300519393 is a prime.

It is a super-2 number, since 2×68300521441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68300521397 and 68300521406.

It is not a weakly prime, because it can be changed into another prime (68300521451) 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, 34150260720 + 34150260721.

It is an arithmetic number, because the mean of its divisors is an integer number (34150260721).

Almost surely, 2^68300521441 is an apocalyptic number.

It is an amenable number.

68300521441 is a deficient number, since it is larger than the sum of its proper divisors (1).

68300521441 is an equidigital number, since it uses as much as digits as its factorization.

68300521441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 68300521441 in words is "sixty-eight billion, three hundred million, five hundred twenty-one thousand, four hundred forty-one".