3213481768 has 32 divisors (see below), whose sum is σ = 6887928960. Its totient is φ = 1376827200.

The previous prime is 3213481721. The next prime is 3213481771. The reversal of 3213481768 is 8671843123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311493 + ... + 321643.

It is an arithmetic number, because the mean of its divisors is an integer number (215247780).

Almost surely, 2^3213481768 is an apocalyptic number.

It is an amenable number.

3213481768 is an abundant number, since it is smaller than the sum of its proper divisors (3674447192).

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

3213481768 is a wasteful number, since it uses less digits than its factorization.

3213481768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817 (or 15813 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 3213481768 is about 56687.5803681900. The cubic root of 3213481768 is about 1475.6791690609.

The spelling of 3213481768 in words is "three billion, two hundred thirteen million, four hundred eighty-one thousand, seven hundred sixty-eight".