689622683 has 4 divisors (see below), whose sum is σ = 711868608. Its totient is φ = 667376760.

The previous prime is 689622677. The next prime is 689622709. The reversal of 689622683 is 386226986.

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 689622683 - 2¹⁴ = 689606299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689622883) 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, 11122916 + ... + 11122977.

It is an arithmetic number, because the mean of its divisors is an integer number (177967152).

Almost surely, 2^689622683 is an apocalyptic number.

689622683 is a deficient number, since it is larger than the sum of its proper divisors (22245925).

689622683 is a wasteful number, since it uses less digits than its factorization.

689622683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22245924.

The product of its digits is 1492992, while the sum is 50.

The square root of 689622683 is about 26260.6679846496. The cubic root of 689622683 is about 883.4944912401.

The spelling of 689622683 in words is "six hundred eighty-nine million, six hundred twenty-two thousand, six hundred eighty-three".