689413159 has 4 divisors (see below), whose sum is σ = 690142104. Its totient is φ = 688684216.

The previous prime is 689413147. The next prime is 689413213. The reversal of 689413159 is 951314986.

689413159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951314986 = 2 ⋅475657493.

It is a cyclic number.

It is not a de Polignac number, because 689413159 - 2¹¹ = 689411111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689413139) 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, 363052 + ... + 364945.

It is an arithmetic number, because the mean of its divisors is an integer number (172535526).

Almost surely, 2^689413159 is an apocalyptic number.

689413159 is a deficient number, since it is larger than the sum of its proper divisors (728945).

689413159 is an equidigital number, since it uses as much as digits as its factorization.

689413159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728944.

The product of its digits is 233280, while the sum is 46.

The square root of 689413159 is about 26256.6783695120. The cubic root of 689413159 is about 883.4050065335.

The spelling of 689413159 in words is "six hundred eighty-nine million, four hundred thirteen thousand, one hundred fifty-nine".