689146914 has 16 divisors (see below), whose sum is σ = 1379115360. Its totient is φ = 229578720.

The previous prime is 689146897. The next prime is 689146921. The reversal of 689146914 is 419641986.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23044 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (86194710).

Almost surely, 2^689146914 is an apocalyptic number.

689146914 is an abundant number, since it is smaller than the sum of its proper divisors (689968446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689146914 is a wasteful number, since it uses less digits than its factorization.

689146914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68465.

The product of its digits is 373248, while the sum is 48.

The square root of 689146914 is about 26251.6078364736. The cubic root of 689146914 is about 883.2912709373.

The spelling of 689146914 in words is "six hundred eighty-nine million, one hundred forty-six thousand, nine hundred fourteen".