1739668813 has 2 divisors, whose sum is σ = 1739668814. Its totient is φ = 1739668812.

The previous prime is 1739668793. The next prime is 1739668829. The reversal of 1739668813 is 3188669371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1737472489 + 2196324 = 41683^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1739668813 - 2⁵ = 1739668781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1739668213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869834406 + 869834407.

It is an arithmetic number, because the mean of its divisors is an integer number (869834407).

Almost surely, 2^1739668813 is an apocalyptic number.

It is an amenable number.

1739668813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1739668813 is an equidigital number, since it uses as much as digits as its factorization.

1739668813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 1739668813 is about 41709.3372399994. The cubic root of 1739668813 is about 1202.6950568131.

The spelling of 1739668813 in words is "one billion, seven hundred thirty-nine million, six hundred sixty-eight thousand, eight hundred thirteen".