2143274389968 has 160 divisors (see below), whose sum is σ = 5702892134400. Its totient is φ = 693108085248.

The previous prime is 2143274389939. The next prime is 2143274389999. The reversal of 2143274389968 is 8699834723412.

It is a super-2 number, since 2×2143274389968² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143274389899 and 2143274389908.

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, 1489418593 + ... + 1489420031.

It is an arithmetic number, because the mean of its divisors is an integer number (35643075840).

Almost surely, 2^{2143274389968} 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 2143274389968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851446067200).

2143274389968 is an abundant number, since it is smaller than the sum of its proper divisors (3559617744432).

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

2143274389968 is a wasteful number, since it uses less digits than its factorization.

2143274389968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3323 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 66.

The spelling of 2143274389968 in words is "two trillion, one hundred forty-three billion, two hundred seventy-four million, three hundred eighty-nine thousand, nine hundred sixty-eight".