3213993336 has 64 divisors (see below), whose sum is σ = 8467200000. Its totient is φ = 1013826816.

The previous prime is 3213993329. The next prime is 3213993371. The reversal of 3213993336 is 6333993123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474985 + ... + 481703.

It is an arithmetic number, because the mean of its divisors is an integer number (132300000).

Almost surely, 2^3213993336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213993336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600000).

3213993336 is an abundant number, since it is smaller than the sum of its proper divisors (5253206664).

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

3213993336 is a wasteful number, since it uses less digits than its factorization.

3213993336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796 (or 7792 counting only the distinct ones).

The product of its digits is 236196, while the sum is 42.

The square root of 3213993336 is about 56692.0923586350. The cubic root of 3213993336 is about 1475.7574714797.

The spelling of 3213993336 in words is "three billion, two hundred thirteen million, nine hundred ninety-three thousand, three hundred thirty-six".