689046619 has 4 divisors (see below), whose sum is σ = 695736496. Its totient is φ = 682356744.

The previous prime is 689046607. The next prime is 689046623. The reversal of 689046619 is 916640986.

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 689046619 - 2²⁷ = 554828891 is a prime.

It is a super-2 number, since 2×689046619² = 949570486310662322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689046679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344784 + ... + 3344989.

It is an arithmetic number, because the mean of its divisors is an integer number (173934124).

Almost surely, 2^689046619 is an apocalyptic number.

689046619 is a deficient number, since it is larger than the sum of its proper divisors (6689877).

689046619 is a wasteful number, since it uses less digits than its factorization.

689046619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689876.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 689046619 is about 26249.6975030190. The cubic root of 689046619 is about 883.2484189250.

The spelling of 689046619 in words is "six hundred eighty-nine million, forty-six thousand, six hundred nineteen".