493378143 has 16 divisors (see below), whose sum is σ = 661478400. Its totient is φ = 327104960.

The previous prime is 493378141. The next prime is 493378157. The reversal of 493378143 is 341873394.

It is a cyclic number.

It is not a de Polignac number, because 493378143 - 2¹ = 493378141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 493378095 and 493378104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493378141) 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 15 ways as a sum of consecutive naturals, for example, 748348 + ... + 749006.

It is an arithmetic number, because the mean of its divisors is an integer number (41342400).

Almost surely, 2^493378143 is an apocalyptic number.

493378143 is a deficient number, since it is larger than the sum of its proper divisors (168100257).

493378143 is a wasteful number, since it uses less digits than its factorization.

493378143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 217728, while the sum is 42.

The square root of 493378143 is about 22212.1170310261. The cubic root of 493378143 is about 790.1810955875.

It can be divided in two parts, 493378 and 143, that added together give a triangular number (493521 = T₉₉₃).

The spelling of 493378143 in words is "four hundred ninety-three million, three hundred seventy-eight thousand, one hundred forty-three".