259939842047 has 4 divisors (see below), whose sum is σ = 259955486640. Its totient is φ = 259924197456.

The previous prime is 259939842017. The next prime is 259939842059. The reversal of 259939842047 is 740248939952.

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 259939842047 - 2²⁴ = 259923064831 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 (259939842017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7797347 + ... + 7830612.

It is an arithmetic number, because the mean of its divisors is an integer number (64988871660).

Almost surely, 2^259939842047 is an apocalyptic number.

259939842047 is a deficient number, since it is larger than the sum of its proper divisors (15644593).

259939842047 is a wasteful number, since it uses less digits than its factorization.

259939842047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644592.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 259939842047 in words is "two hundred fifty-nine billion, nine hundred thirty-nine million, eight hundred forty-two thousand, forty-seven".