273143375850 has 144 divisors (see below), whose sum is σ = 746011484352. Its totient is φ = 66004139520.

The previous prime is 273143375849. The next prime is 273143375867. The reversal of 273143375850 is 58573341372.

It is a self number, because there is not a number n which added to its sum of digits gives 273143375850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1135794 + ... + 1355106.

It is an arithmetic number, because the mean of its divisors is an integer number (5180635308).

Almost surely, 2^273143375850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273143375850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373005742176).

273143375850 is an abundant number, since it is smaller than the sum of its proper divisors (472868108502).

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

273143375850 is a wasteful number, since it uses less digits than its factorization.

273143375850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219389 (or 219365 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 273143375850 in words is "two hundred seventy-three billion, one hundred forty-three million, three hundred seventy-five thousand, eight hundred fifty".