8143343850 has 96 divisors (see below), whose sum is σ = 20394069696. Its totient is φ = 2150323200.

The previous prime is 8143343807. The next prime is 8143343909. The reversal of 8143343850 is 583433418.

It is a junction number, because it is equal to n+sod(n) for n = 8143343799 and 8143343808.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8334562 + ... + 8335538.

It is an arithmetic number, because the mean of its divisors is an integer number (212438226).

Almost surely, 2^8143343850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8143343850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10197034848).

8143343850 is an abundant number, since it is smaller than the sum of its proper divisors (12250725846).

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

8143343850 is a wasteful number, since it uses less digits than its factorization.

8143343850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 8143343850 is about 90240.4778910218. The cubic root of 8143343850 is about 2011.8746773173.

The spelling of 8143343850 in words is "eight billion, one hundred forty-three million, three hundred forty-three thousand, eight hundred fifty".