3215654868 has 24 divisors (see below), whose sum is σ = 7598174080. Its totient is φ = 1058316480.

The previous prime is 3215654801. The next prime is 3215654921. The reversal of 3215654868 is 8684565123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695073 + ... + 1696968.

Almost surely, 2^3215654868 is an apocalyptic number.

It is an amenable number.

3215654868 is an abundant number, since it is smaller than the sum of its proper divisors (4382519212).

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

3215654868 is a wasteful number, since it uses less digits than its factorization.

3215654868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392127 (or 3392125 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 3215654868 is about 56706.7444665976. The cubic root of 3215654868 is about 1476.0117341772.

The spelling of 3215654868 in words is "three billion, two hundred fifteen million, six hundred fifty-four thousand, eight hundred sixty-eight".