689098141 has 2 divisors, whose sum is σ = 689098142. Its totient is φ = 689098140.

The previous prime is 689098139. The next prime is 689098159. The reversal of 689098141 is 141890986.

689098141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688800025 + 298116 = 26245^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 689098141 - 2¹ = 689098139 is a prime.

Together with 689098139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 689098091 and 689098100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689098171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344549070 + 344549071.

It is an arithmetic number, because the mean of its divisors is an integer number (344549071).

Almost surely, 2^689098141 is an apocalyptic number.

It is an amenable number.

689098141 is a deficient number, since it is larger than the sum of its proper divisors (1).

689098141 is an equidigital number, since it uses as much as digits as its factorization.

689098141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 689098141 is about 26250.6788674122. The cubic root of 689098141 is about 883.2704327190.

The spelling of 689098141 in words is "six hundred eighty-nine million, ninety-eight thousand, one hundred forty-one".