259451602068 has 12 divisors (see below), whose sum is σ = 605387071520. Its totient is φ = 86483867352.

The previous prime is 259451602013. The next prime is 259451602073. The reversal of 259451602068 is 860206154952.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10810483408 + ... + 10810483431.

Almost surely, 2^259451602068 is an apocalyptic number.

It is an amenable number.

259451602068 is an abundant number, since it is smaller than the sum of its proper divisors (345935469452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259451602068 is a wasteful number, since it uses less digits than its factorization.

259451602068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620966846 (or 21620966844 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 259451602068 in words is "two hundred fifty-nine billion, four hundred fifty-one million, six hundred two thousand, sixty-eight".