259796065812 has 192 divisors, whose sum is σ = 683474534400. Its totient is φ = 76634812800.

The previous prime is 259796065747. The next prime is 259796065871. The reversal of 259796065812 is 218560697952.

259796065812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×259796065812² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73993137 + ... + 73996647.

It is an arithmetic number, because the mean of its divisors is an integer number (3559763200).

Almost surely, 2^259796065812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259796065812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341737267200).

259796065812 is an abundant number, since it is smaller than the sum of its proper divisors (423678468588).

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

259796065812 is a wasteful number, since it uses less digits than its factorization.

259796065812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 259796065812 in words is "two hundred fifty-nine billion, seven hundred ninety-six million, sixty-five thousand, eight hundred twelve".