84900220241 has 2 divisors, whose sum is σ = 84900220242. Its totient is φ = 84900220240.

The previous prime is 84900220219. The next prime is 84900220259. The reversal of 84900220241 is 14202200948.

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., 70947649600 + 13952570641 = 266360^2 + 118121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84900220241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84900220198 and 84900220207.

It is not a weakly prime, because it can be changed into another prime (84900220271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42450110120 + 42450110121.

It is an arithmetic number, because the mean of its divisors is an integer number (42450110121).

Almost surely, 2^84900220241 is an apocalyptic number.

It is an amenable number.

84900220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

84900220241 is an equidigital number, since it uses as much as digits as its factorization.

84900220241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 84900220241 in words is "eighty-four billion, nine hundred million, two hundred twenty thousand, two hundred forty-one".