689226099 has 16 divisors (see below), whose sum is σ = 935800320. Its totient is φ = 451133280.

The previous prime is 689226091. The next prime is 689226101. The reversal of 689226099 is 990622986.

It is not a de Polignac number, because 689226099 - 2³ = 689226091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (689226091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34864 + ... + 50930.

It is an arithmetic number, because the mean of its divisors is an integer number (58487520).

Almost surely, 2^689226099 is an apocalyptic number.

689226099 is a deficient number, since it is larger than the sum of its proper divisors (246574221).

689226099 is a wasteful number, since it uses less digits than its factorization.

689226099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 689226099 is about 26253.1159864882. The cubic root of 689226099 is about 883.3251005601.

The spelling of 689226099 in words is "six hundred eighty-nine million, two hundred twenty-six thousand, ninety-nine".