84630041004521 has 2 divisors, whose sum is σ = 84630041004522. Its totient is φ = 84630041004520.

The previous prime is 84630041004479. The next prime is 84630041004557. The reversal of 84630041004521 is 12540014003648.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55120809586921 + 29509231417600 = 7424339^2 + 5432240^2 .

It is a cyclic number.

It is not a de Polignac number, because 84630041004521 - 2⁴⁶ = 14261296826857 is a prime.

It is not a weakly prime, because it can be changed into another prime (84630041304521) 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, 42315020502260 + 42315020502261.

It is an arithmetic number, because the mean of its divisors is an integer number (42315020502261).

Almost surely, 2^{84630041004521} is an apocalyptic number.

It is an amenable number.

84630041004521 is a deficient number, since it is larger than the sum of its proper divisors (1).

84630041004521 is an equidigital number, since it uses as much as digits as its factorization.

84630041004521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 84630041004521 in words is "eighty-four trillion, six hundred thirty billion, forty-one million, four thousand, five hundred twenty-one".