3298783953920 has 264 divisors, whose sum is σ = 9792873284544. Its totient is φ = 1044008828928.

The previous prime is 3298783953917. The next prime is 3298783953947. The reversal of 3298783953920 is 293593878923.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5784647 + ... + 6329273.

Almost surely, 2^{3298783953920} 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 3298783953920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896436642272).

3298783953920 is an abundant number, since it is smaller than the sum of its proper divisors (6494089330624).

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

3298783953920 is a wasteful number, since it uses less digits than its factorization.

3298783953920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544685 (or 544654 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 68.

The spelling of 3298783953920 in words is "three trillion, two hundred ninety-eight billion, seven hundred eighty-three million, nine hundred fifty-three thousand, nine hundred twenty".