3219750864 has 320 divisors, whose sum is σ = 10670745600. Its totient is φ = 919987200.

The previous prime is 3219750823. The next prime is 3219750893. The reversal of 3219750864 is 4680579123.

3219750864 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

3219750864 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9727179 + ... + 9727509.

It is an arithmetic number, because the mean of its divisors is an integer number (33346080).

It is a 2-persistent number, because it is pandigital, and so is 2⋅3219750864 = 6439501728, but 3⋅3219750864 = 9659252592 is not.

Almost surely, 2^3219750864 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 3219750864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335372800).

3219750864 is an abundant number, since it is smaller than the sum of its proper divisors (7450994736).

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

3219750864 is a wasteful number, since it uses less digits than its factorization.

3219750864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3219750864 is about 56742.8485714279. The cubic root of 3219750864 is about 1476.6381667669.

The spelling of 3219750864 in words is "three billion, two hundred nineteen million, seven hundred fifty thousand, eight hundred sixty-four".