2578143383 has 4 divisors (see below), whose sum is σ = 2713835160. Its totient is φ = 2442451608.

The previous prime is 2578143377. The next prime is 2578143397. The reversal of 2578143383 is 3833418752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2578143383 - 2²⁴ = 2561366167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578143283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67845860 + ... + 67845897.

It is an arithmetic number, because the mean of its divisors is an integer number (678458790).

Almost surely, 2^2578143383 is an apocalyptic number.

2578143383 is a deficient number, since it is larger than the sum of its proper divisors (135691777).

2578143383 is a wasteful number, since it uses less digits than its factorization.

2578143383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135691776.

The product of its digits is 483840, while the sum is 44.

The square root of 2578143383 is about 50775.4210519224. The cubic root of 2578143383 is about 1371.2048971614.

The spelling of 2578143383 in words is "two billion, five hundred seventy-eight million, one hundred forty-three thousand, three hundred eighty-three".