84481751363069 has 2 divisors, whose sum is σ = 84481751363070. Its totient is φ = 84481751363068.

The previous prime is 84481751363033. The next prime is 84481751363129. The reversal of 84481751363069 is 96036315718448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62845652625625 + 21636098737444 = 7927525^2 + 4651462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84481751363069 is a prime.

It is a super-2 number, since 2×84481751363069² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84481751362996 and 84481751363014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84481751363369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42240875681534 + 42240875681535.

It is an arithmetic number, because the mean of its divisors is an integer number (42240875681535).

Almost surely, 2^{84481751363069} is an apocalyptic number.

It is an amenable number.

84481751363069 is a deficient number, since it is larger than the sum of its proper divisors (1).

84481751363069 is an equidigital number, since it uses as much as digits as its factorization.

84481751363069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 84481751363069 in words is "eighty-four trillion, four hundred eighty-one billion, seven hundred fifty-one million, three hundred sixty-three thousand, sixty-nine".