689513476 has 6 divisors (see below), whose sum is σ = 1206648590. Its totient is φ = 344756736.

The previous prime is 689513459. The next prime is 689513479. The reversal of 689513476 is 674315986.

It can be written as a sum of positive squares in only one way, i.e., 589032900 + 100480576 = 24270^2 + 10024^2 .

It is not an unprimeable number, because it can be changed into a prime (689513479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86189181 + ... + 86189188.

Almost surely, 2^689513476 is an apocalyptic number.

It is an amenable number.

689513476 is a deficient number, since it is larger than the sum of its proper divisors (517135114).

689513476 is a wasteful number, since it uses less digits than its factorization.

689513476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172378373 (or 172378371 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 689513476 is about 26258.5886140135. The cubic root of 689513476 is about 883.4478527527.

It can be divided in two parts, 68951 and 3476, that added together give a palindrome (72427).

The spelling of 689513476 in words is "six hundred eighty-nine million, five hundred thirteen thousand, four hundred seventy-six".