705170784955811 has 2 divisors, whose sum is σ = 705170784955812. Its totient is φ = 705170784955810.

The previous prime is 705170784955709. The next prime is 705170784955829. The reversal of 705170784955811 is 118559487071507.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705170784955811 is a prime.

It is not a weakly prime, because it can be changed into another prime (705170780955811) 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, 352585392477905 + 352585392477906.

It is an arithmetic number, because the mean of its divisors is an integer number (352585392477906).

Almost surely, 2^{705170784955811} is an apocalyptic number.

705170784955811 is a deficient number, since it is larger than the sum of its proper divisors (1).

705170784955811 is an equidigital number, since it uses as much as digits as its factorization.

705170784955811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784000, while the sum is 68.

The spelling of 705170784955811 in words is "seven hundred five trillion, one hundred seventy billion, seven hundred eighty-four million, nine hundred fifty-five thousand, eight hundred eleven".