259804094945 has 16 divisors (see below), whose sum is σ = 327881502720. Its totient is φ = 197241194304.

The previous prime is 259804094941. The next prime is 259804094959. The reversal of 259804094945 is 549490408952.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 259804094945 - 2² = 259804094941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259804094941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8879750 + ... + 8908959.

It is an arithmetic number, because the mean of its divisors is an integer number (20492593920).

Almost surely, 2^259804094945 is an apocalyptic number.

It is an amenable number.

259804094945 is a deficient number, since it is larger than the sum of its proper divisors (68077407775).

259804094945 is a wasteful number, since it uses less digits than its factorization.

259804094945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788864.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 259804094945 in words is "two hundred fifty-nine billion, eight hundred four million, ninety-four thousand, nine hundred forty-five".