255669250043 has 4 divisors (see below), whose sum is σ = 257385151200. Its totient is φ = 253953348888.

The previous prime is 255669250009. The next prime is 255669250091. The reversal of 255669250043 is 340052966552.

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 255669250043 - 2²⁴ = 255652472827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255669250043.

It is not an unprimeable number, because it can be changed into a prime (255669250093) 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, 857950355 + ... + 857950652.

It is an arithmetic number, because the mean of its divisors is an integer number (64346287800).

Almost surely, 2^255669250043 is an apocalyptic number.

255669250043 is a deficient number, since it is larger than the sum of its proper divisors (1715901157).

255669250043 is a wasteful number, since it uses less digits than its factorization.

255669250043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715901156.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 255669250043 in words is "two hundred fifty-five billion, six hundred sixty-nine million, two hundred fifty thousand, forty-three".