1679934143 has 2 divisors, whose sum is σ = 1679934144. Its totient is φ = 1679934142.

The previous prime is 1679934097. The next prime is 1679934161. The reversal of 1679934143 is 3414399761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1679934143 - 2⁶ = 1679934079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679934043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839967071 + 839967072.

It is an arithmetic number, because the mean of its divisors is an integer number (839967072).

Almost surely, 2^1679934143 is an apocalyptic number.

1679934143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679934143 is an equidigital number, since it uses as much as digits as its factorization.

1679934143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 1679934143 is about 40986.9996828263. Note that the first 3 decimals coincide. The cubic root of 1679934143 is about 1188.7688566644.

The spelling of 1679934143 in words is "one billion, six hundred seventy-nine million, nine hundred thirty-four thousand, one hundred forty-three".