2203405643648 has 256 divisors, whose sum is σ = 5168850554880. Its totient is φ = 925157376000.

The previous prime is 2203405643629. The next prime is 2203405643683. The reversal of 2203405643648 is 8463465043022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543110036 + ... + 543114092.

It is an arithmetic number, because the mean of its divisors is an integer number (20190822480).

Almost surely, 2^{2203405643648} 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 2203405643648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2584425277440).

2203405643648 is an abundant number, since it is smaller than the sum of its proper divisors (2965444911232).

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

2203405643648 is a wasteful number, since it uses less digits than its factorization.

2203405643648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 2203405643648 in words is "two trillion, two hundred three billion, four hundred five million, six hundred forty-three thousand, six hundred forty-eight".