1686983341 has 8 divisors (see below), whose sum is σ = 1710228600. Its totient is φ = 1663833600.

The previous prime is 1686983329. The next prime is 1686983351. The reversal of 1686983341 is 1433896861.

It can be written as a sum of positive squares in 4 ways, for example, as 89302500 + 1597680841 = 9450^2 + 39971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1686983341 - 2⁷ = 1686983213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1686983351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12055 + ... + 59323.

It is an arithmetic number, because the mean of its divisors is an integer number (213778575).

Almost surely, 2^1686983341 is an apocalyptic number.

It is an amenable number.

1686983341 is a deficient number, since it is larger than the sum of its proper divisors (23245259).

1686983341 is an equidigital number, since it uses as much as digits as its factorization.

1686983341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47759.

The product of its digits is 746496, while the sum is 49.

The square root of 1686983341 is about 41072.9027583880. The cubic root of 1686983341 is about 1190.4292736050.

The spelling of 1686983341 in words is "one billion, six hundred eighty-six million, nine hundred eighty-three thousand, three hundred forty-one".