259425256759 has 4 divisors (see below), whose sum is σ = 259634979304. Its totient is φ = 259215534216.

The previous prime is 259425256729. The next prime is 259425256787. The reversal of 259425256759 is 957652524952.

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 259425256759 - 2³¹ = 257277773111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259425256697 and 259425256706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259425256729) 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, 104859417 + ... + 104861890.

It is an arithmetic number, because the mean of its divisors is an integer number (64908744826).

Almost surely, 2^259425256759 is an apocalyptic number.

259425256759 is a deficient number, since it is larger than the sum of its proper divisors (209722545).

259425256759 is a wasteful number, since it uses less digits than its factorization.

259425256759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209722544.

The product of its digits is 68040000, while the sum is 61.

The spelling of 259425256759 in words is "two hundred fifty-nine billion, four hundred twenty-five million, two hundred fifty-six thousand, seven hundred fifty-nine".