1689482611 has 4 divisors (see below), whose sum is σ = 1691978832. Its totient is φ = 1686986392.

The previous prime is 1689482573. The next prime is 1689482621. The reversal of 1689482611 is 1162849861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1162849861 = 17 ⋅68402933.

It is a cyclic number.

It is not a de Polignac number, because 1689482611 - 2⁹ = 1689482099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689482621) 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, 1247095 + ... + 1248448.

It is an arithmetic number, because the mean of its divisors is an integer number (422994708).

Almost surely, 2^1689482611 is an apocalyptic number.

1689482611 is a deficient number, since it is larger than the sum of its proper divisors (2496221).

1689482611 is an equidigital number, since it uses as much as digits as its factorization.

1689482611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496220.

The product of its digits is 165888, while the sum is 46.

The square root of 1689482611 is about 41103.3163017292. The cubic root of 1689482611 is about 1191.0168581707.

The spelling of 1689482611 in words is "one billion, six hundred eighty-nine million, four hundred eighty-two thousand, six hundred eleven".