2331963648 has 144 divisors (see below), whose sum is σ = 7881336960. Its totient is φ = 666261504.

The previous prime is 2331963587. The next prime is 2331963653. The reversal of 2331963648 is 8463691332.

2331963648 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 9 + 636 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

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, 24286 + ... + 72482.

Almost surely, 2^2331963648 is an apocalyptic number.

2331963648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331963648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3940668480).

2331963648 is an abundant number, since it is smaller than the sum of its proper divisors (5549373312).

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

2331963648 is an equidigital number, since it uses as much as digits as its factorization.

2331963648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48229 (or 48209 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 2331963648 is about 48290.4094826292. The cubic root of 2331963648 is about 1326.0928253438.

The spelling of 2331963648 in words is "two billion, three hundred thirty-one million, nine hundred sixty-three thousand, six hundred forty-eight".