259676006641 has 4 divisors (see below), whose sum is σ = 261021478372. Its totient is φ = 258330534912.

The previous prime is 259676006633. The next prime is 259676006677. The reversal of 259676006641 is 146600676952.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 163883280625 + 95792726016 = 404825^2 + 309504^2 .

It is a cyclic number.

It is not a de Polignac number, because 259676006641 - 2³ = 259676006633 is a prime.

It is a super-2 number, since 2×259676006641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259676006441) 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, 672735576 + ... + 672735961.

It is an arithmetic number, because the mean of its divisors is an integer number (65255369593).

Almost surely, 2^259676006641 is an apocalyptic number.

It is an amenable number.

259676006641 is a deficient number, since it is larger than the sum of its proper divisors (1345471731).

259676006641 is a wasteful number, since it uses less digits than its factorization.

259676006641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345471730.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 259676006641 in words is "two hundred fifty-nine billion, six hundred seventy-six million, six thousand, six hundred forty-one".