259398928642 has 8 divisors (see below), whose sum is σ = 444683877696. Its totient is φ = 111170969412.

The previous prime is 259398928637. The next prime is 259398928787. The reversal of 259398928642 is 246829893952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9264247438 + ... + 9264247465.

It is an arithmetic number, because the mean of its divisors is an integer number (55585484712).

Almost surely, 2^259398928642 is an apocalyptic number.

259398928642 is a deficient number, since it is larger than the sum of its proper divisors (185284949054).

259398928642 is a wasteful number, since it uses less digits than its factorization.

259398928642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18528494912.

The product of its digits is 134369280, while the sum is 67.

The spelling of 259398928642 in words is "two hundred fifty-nine billion, three hundred ninety-eight million, nine hundred twenty-eight thousand, six hundred forty-two".