3509967989 has 8 divisors (see below), whose sum is σ = 3868531968. Its totient is φ = 3157983360.

The previous prime is 3509967953. The next prime is 3509968031. The reversal of 3509967989 is 9897699053.

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 3509967989 - 2⁸ = 3509967733 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 (3509927989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643717 + ... + 1645850.

It is an arithmetic number, because the mean of its divisors is an integer number (483566496).

Almost surely, 2^3509967989 is an apocalyptic number.

It is an amenable number.

3509967989 is a deficient number, since it is larger than the sum of its proper divisors (358563979).

3509967989 is a wasteful number, since it uses less digits than its factorization.

3509967989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289675.

The product of its (nonzero) digits is 33067440, while the sum is 65.

The square root of 3509967989 is about 59244.9828171129. The cubic root of 3509967989 is about 1519.7344857382.

The spelling of 3509967989 in words is "three billion, five hundred nine million, nine hundred sixty-seven thousand, nine hundred eighty-nine".