73780302522481 has 2 divisors, whose sum is σ = 73780302522482. Its totient is φ = 73780302522480.

The previous prime is 73780302522427. The next prime is 73780302522491. The reversal of 73780302522481 is 18422520308737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68287349395456 + 5492953127025 = 8263616^2 + 2343705^2 .

It is a cyclic number.

It is not a de Polignac number, because 73780302522481 - 2²⁹ = 73779765651569 is a prime.

It is a super-2 number, since 2×73780302522481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73780302522491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36890151261240 + 36890151261241.

It is an arithmetic number, because the mean of its divisors is an integer number (36890151261241).

Almost surely, 2^{73780302522481} is an apocalyptic number.

It is an amenable number.

73780302522481 is a deficient number, since it is larger than the sum of its proper divisors (1).

73780302522481 is an equidigital number, since it uses as much as digits as its factorization.

73780302522481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 73780302522481 in words is "seventy-three trillion, seven hundred eighty billion, three hundred two million, five hundred twenty-two thousand, four hundred eighty-one".