84353784354733 has 2 divisors, whose sum is σ = 84353784354734. Its totient is φ = 84353784354732.

The previous prime is 84353784354691. The next prime is 84353784354743. The reversal of 84353784354733 is 33745348735348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63787904013289 + 20565880341444 = 7986733^2 + 4534962^2 .

It is a cyclic number.

It is not a de Polignac number, because 84353784354733 - 2¹⁷ = 84353784223661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84353784354743) 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, 42176892177366 + 42176892177367.

It is an arithmetic number, because the mean of its divisors is an integer number (42176892177367).

Almost surely, 2^{84353784354733} is an apocalyptic number.

It is an amenable number.

84353784354733 is a deficient number, since it is larger than the sum of its proper divisors (1).

84353784354733 is an equidigital number, since it uses as much as digits as its factorization.

84353784354733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1219276800, while the sum is 67.

The spelling of 84353784354733 in words is "eighty-four trillion, three hundred fifty-three billion, seven hundred eighty-four million, three hundred fifty-four thousand, seven hundred thirty-three".