1689085301 has 2 divisors, whose sum is σ = 1689085302. Its totient is φ = 1689085300.

The previous prime is 1689085297. The next prime is 1689085357. The reversal of 1689085301 is 1035809861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978063076 + 711022225 = 31274^2 + 26665^2 .

It is an emirp because it is prime and its reverse (1035809861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1689085301 - 2² = 1689085297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1689075301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844542650 + 844542651.

It is an arithmetic number, because the mean of its divisors is an integer number (844542651).

Almost surely, 2^1689085301 is an apocalyptic number.

It is an amenable number.

1689085301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1689085301 is an equidigital number, since it uses as much as digits as its factorization.

1689085301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1689085301 is about 41098.4829525373. The cubic root of 1689085301 is about 1190.9234883616.

The spelling of 1689085301 in words is "one billion, six hundred eighty-nine million, eighty-five thousand, three hundred one".