3315686989 has 4 divisors (see below), whose sum is σ = 3334210560. Its totient is φ = 3297163420.

The previous prime is 3315686981. The next prime is 3315686999. The reversal of 3315686989 is 9896865133.

3315686989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9896865133 = 32779 ⋅301927.

It is a cyclic number.

It is not a de Polignac number, because 3315686989 - 2³ = 3315686981 is a prime.

It is a super-2 number, since 2×3315686989² = 21987560418047772242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3315686981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261517 + ... + 9261874.

It is an arithmetic number, because the mean of its divisors is an integer number (833552640).

Almost surely, 2^3315686989 is an apocalyptic number.

It is an amenable number.

3315686989 is a deficient number, since it is larger than the sum of its proper divisors (18523571).

3315686989 is a wasteful number, since it uses less digits than its factorization.

3315686989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18523570.

The product of its digits is 8398080, while the sum is 58.

The square root of 3315686989 is about 57582.0023010663. The cubic root of 3315686989 is about 1491.1609031476.

The spelling of 3315686989 in words is "three billion, three hundred fifteen million, six hundred eighty-six thousand, nine hundred eighty-nine".