84041964973 has 2 divisors, whose sum is σ = 84041964974. Its totient is φ = 84041964972.

The previous prime is 84041964913. The next prime is 84041965037. The reversal of 84041964973 is 37946914048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51473626884 + 32568338089 = 226878^2 + 180467^2 .

It is a cyclic number.

It is not a de Polignac number, because 84041964973 - 2¹⁷ = 84041833901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84041964913) 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, 42020982486 + 42020982487.

It is an arithmetic number, because the mean of its divisors is an integer number (42020982487).

Almost surely, 2^84041964973 is an apocalyptic number.

It is an amenable number.

84041964973 is a deficient number, since it is larger than the sum of its proper divisors (1).

84041964973 is an equidigital number, since it uses as much as digits as its factorization.

84041964973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 84041964973 in words is "eighty-four billion, forty-one million, nine hundred sixty-four thousand, nine hundred seventy-three".