2143251348 has 72 divisors (see below), whose sum is σ = 5811414336. Its totient is φ = 602231040.

The previous prime is 2143251323. The next prime is 2143251359. The reversal of 2143251348 is 8431523412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309136 + ... + 315992.

It is an arithmetic number, because the mean of its divisors is an integer number (80714088).

Almost surely, 2^2143251348 is an apocalyptic number.

2143251348 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 2143251348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2905707168).

2143251348 is an abundant number, since it is smaller than the sum of its proper divisors (3668162988).

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

2143251348 is a wasteful number, since it uses less digits than its factorization.

2143251348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993 (or 6930 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2143251348 is about 46295.2626950102. The cubic root of 2143251348 is about 1289.3110412789.

The spelling of 2143251348 in words is "two billion, one hundred forty-three million, two hundred fifty-one thousand, three hundred forty-eight".