2633989983820 has 96 divisors (see below), whose sum is σ = 6296410169280. Its totient is φ = 917539799040.

The previous prime is 2633989983799. The next prime is 2633989983869. The reversal of 2633989983820 is 283899893362.

It is a self number, because there is not a number n which added to its sum of digits gives 2633989983820.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84324 + ... + 2296756.

It is an arithmetic number, because the mean of its divisors is an integer number (65587605930).

Almost surely, 2^{2633989983820} is an apocalyptic number.

2633989983820 is a gapful number since it is divisible by the number (20) 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 2633989983820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148205084640).

2633989983820 is an abundant number, since it is smaller than the sum of its proper divisors (3662420185460).

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

2633989983820 is a wasteful number, since it uses less digits than its factorization.

2633989983820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212715 (or 2212713 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 70.

The spelling of 2633989983820 in words is "two trillion, six hundred thirty-three billion, nine hundred eighty-nine million, nine hundred eighty-three thousand, eight hundred twenty".