1689713093 has 2 divisors, whose sum is σ = 1689713094. Its totient is φ = 1689713092.

The previous prime is 1689713089. The next prime is 1689713099. The reversal of 1689713093 is 3903179861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1689045604 + 667489 = 41098^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1689713093 - 2² = 1689713089 is a prime.

It is a super-3 number, since 3×1689713093³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1689713099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844856546 + 844856547.

It is an arithmetic number, because the mean of its divisors is an integer number (844856547).

Almost surely, 2^1689713093 is an apocalyptic number.

It is an amenable number.

1689713093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1689713093 is an equidigital number, since it uses as much as digits as its factorization.

1689713093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1689713093 is about 41106.1198971637. The cubic root of 1689713093 is about 1191.0710158684.

The spelling of 1689713093 in words is "one billion, six hundred eighty-nine million, seven hundred thirteen thousand, ninety-three".