259741831442 has 4 divisors (see below), whose sum is σ = 389612747166. Its totient is φ = 129870915720.

The previous prime is 259741831441. The next prime is 259741831501. The reversal of 259741831442 is 244138147952.

259741831442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 239942245921 + 19799585521 = 489839^2 + 140711^2 .

It is not an unprimeable number, because it can be changed into a prime (259741831441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64935457859 + ... + 64935457862.

Almost surely, 2^259741831442 is an apocalyptic number.

259741831442 is a deficient number, since it is larger than the sum of its proper divisors (129870915724).

259741831442 is a wasteful number, since it uses less digits than its factorization.

259741831442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129870915723.

The product of its digits is 1935360, while the sum is 50.

The spelling of 259741831442 in words is "two hundred fifty-nine billion, seven hundred forty-one million, eight hundred thirty-one thousand, four hundred forty-two".