689207913 has 16 divisors (see below), whose sum is σ = 1044795840. Its totient is φ = 448785792.

The previous prime is 689207891. The next prime is 689207921. The reversal of 689207913 is 319702986.

It is not a de Polignac number, because 689207913 - 2¹⁷ = 689076841 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (689207933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295656 + ... + 297977.

It is an arithmetic number, because the mean of its divisors is an integer number (65299740).

Almost surely, 2^689207913 is an apocalyptic number.

It is an amenable number.

689207913 is a deficient number, since it is larger than the sum of its proper divisors (355587927).

689207913 is a wasteful number, since it uses less digits than its factorization.

689207913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593685 (or 593679 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 689207913 is about 26252.7696253176. The cubic root of 689207913 is about 883.3173313188.

The spelling of 689207913 in words is "six hundred eighty-nine million, two hundred seven thousand, nine hundred thirteen".