2131448602368 has 144 divisors (see below), whose sum is σ = 5866191830016. Its totient is φ = 686338498560.

The previous prime is 2131448602331. The next prime is 2131448602379. The reversal of 2131448602368 is 8632068441312.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13324396 + ... + 13483412.

It is an arithmetic number, because the mean of its divisors is an integer number (40737443264).

Almost surely, 2^{2131448602368} 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 2131448602368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933095915008).

2131448602368 is an abundant number, since it is smaller than the sum of its proper divisors (3734743227648).

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

2131448602368 is a wasteful number, since it uses less digits than its factorization.

2131448602368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159630 (or 159616 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 2131448602368 in words is "two trillion, one hundred thirty-one billion, four hundred forty-eight million, six hundred two thousand, three hundred sixty-eight".