1679141305 has 4 divisors (see below), whose sum is σ = 2014969572. Its totient is φ = 1343313040.

The previous prime is 1679141273. The next prime is 1679141311. The reversal of 1679141305 is 5031419761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5031419761 = 33703 ⋅149287.

It can be written as a sum of positive squares in 2 ways, for example, as 394062201 + 1285079104 = 19851^2 + 35848^2 .

It is not a de Polignac number, because 1679141305 - 2⁵ = 1679141273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167914126 + ... + 167914135.

It is an arithmetic number, because the mean of its divisors is an integer number (503742393).

Almost surely, 2^1679141305 is an apocalyptic number.

It is an amenable number.

1679141305 is a deficient number, since it is larger than the sum of its proper divisors (335828267).

1679141305 is an equidigital number, since it uses as much as digits as its factorization.

1679141305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335828266.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1679141305 is about 40977.3267185647. The cubic root of 1679141305 is about 1188.5818157149.

The spelling of 1679141305 in words is "one billion, six hundred seventy-nine million, one hundred forty-one thousand, three hundred five".