3509706889 has 8 divisors (see below), whose sum is σ = 3813134472. Its totient is φ = 3211057920.

The previous prime is 3509706883. The next prime is 3509706917. The reversal of 3509706889 is 9886079053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343731600 + 3165975289 = 18540^2 + 56267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3509706889 - 2³¹ = 1362223241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3509706883) 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 7 ways as a sum of consecutive naturals, for example, 1193122 + ... + 1196059.

It is an arithmetic number, because the mean of its divisors is an integer number (476641809).

Almost surely, 2^3509706889 is an apocalyptic number.

It is an amenable number.

3509706889 is a deficient number, since it is larger than the sum of its proper divisors (303427583).

3509706889 is a wasteful number, since it uses less digits than its factorization.

3509706889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389307.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 3509706889 is about 59242.7792140105. The cubic root of 3509706889 is about 1519.6968013951.

The spelling of 3509706889 in words is "three billion, five hundred nine million, seven hundred six thousand, eight hundred eighty-nine".