84834019663739 has 2 divisors, whose sum is σ = 84834019663740. Its totient is φ = 84834019663738.

The previous prime is 84834019663721. The next prime is 84834019663759. The reversal of 84834019663739 is 93736691043848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84834019663739 - 2¹⁶ = 84834019598203 is a prime.

It is not a weakly prime, because it can be changed into another prime (84834019663759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42417009831869 + 42417009831870.

It is an arithmetic number, because the mean of its divisors is an integer number (42417009831870).

Almost surely, 2^{84834019663739} is an apocalyptic number.

84834019663739 is a deficient number, since it is larger than the sum of its proper divisors (1).

84834019663739 is an equidigital number, since it uses as much as digits as its factorization.

84834019663739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564350976, while the sum is 71.

The spelling of 84834019663739 in words is "eighty-four trillion, eight hundred thirty-four billion, nineteen million, six hundred sixty-three thousand, seven hundred thirty-nine".