1679985211 has 2 divisors, whose sum is σ = 1679985212. Its totient is φ = 1679985210.

The previous prime is 1679985193. The next prime is 1679985227. The reversal of 1679985211 is 1125899761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1679985211 - 2¹⁷ = 1679854139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1679985911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839992605 + 839992606.

It is an arithmetic number, because the mean of its divisors is an integer number (839992606).

Almost surely, 2^1679985211 is an apocalyptic number.

1679985211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679985211 is an equidigital number, since it uses as much as digits as its factorization.

1679985211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 49.

The square root of 1679985211 is about 40987.6226561141. The cubic root of 1679985211 is about 1188.7809022622.

The spelling of 1679985211 in words is "one billion, six hundred seventy-nine million, nine hundred eighty-five thousand, two hundred eleven".