259840248863 has 8 divisors (see below), whose sum is σ = 279897608256. Its totient is φ = 239792839200.

The previous prime is 259840248839. The next prime is 259840248901. The reversal of 259840248863 is 368842048952.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259840248863 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 (259840248163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433143 + ... + 2537688.

It is an arithmetic number, because the mean of its divisors is an integer number (34987201032).

Almost surely, 2^259840248863 is an apocalyptic number.

259840248863 is a deficient number, since it is larger than the sum of its proper divisors (20057359393).

259840248863 is a wasteful number, since it uses less digits than its factorization.

259840248863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974865.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 259840248863 in words is "two hundred fifty-nine billion, eight hundred forty million, two hundred forty-eight thousand, eight hundred sixty-three".