1689369347 has 4 divisors (see below), whose sum is σ = 1735028016. Its totient is φ = 1643710680.

The previous prime is 1689369317. The next prime is 1689369379. The reversal of 1689369347 is 7439639861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1689369347 - 2¹⁴ = 1689352963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1689369292 and 1689369301.

It is not an unprimeable number, because it can be changed into a prime (1689369317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22829279 + ... + 22829352.

It is an arithmetic number, because the mean of its divisors is an integer number (433757004).

Almost surely, 2^1689369347 is an apocalyptic number.

1689369347 is a deficient number, since it is larger than the sum of its proper divisors (45658669).

1689369347 is an equidigital number, since it uses as much as digits as its factorization.

1689369347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45658668.

The product of its digits is 5878656, while the sum is 56.

The square root of 1689369347 is about 41101.9384822663. The cubic root of 1689369347 is about 1190.9902420641.

The spelling of 1689369347 in words is "one billion, six hundred eighty-nine million, three hundred sixty-nine thousand, three hundred forty-seven".