255679730143 has 4 divisors (see below), whose sum is σ = 255682896768. Its totient is φ = 255676563520.

The previous prime is 255679730129. The next prime is 255679730239. The reversal of 255679730143 is 341037976552.

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 255679730143 - 2³³ = 247089795551 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 (255679730123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1458943 + ... + 1624768.

It is an arithmetic number, because the mean of its divisors is an integer number (63920724192).

Almost surely, 2^255679730143 is an apocalyptic number.

255679730143 is a deficient number, since it is larger than the sum of its proper divisors (3166625).

255679730143 is an equidigital number, since it uses as much as digits as its factorization.

255679730143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166624.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 255679730143 in words is "two hundred fifty-five billion, six hundred seventy-nine million, seven hundred thirty thousand, one hundred forty-three".