25861622546338 has 16 divisors (see below), whose sum is σ = 40298289212160. Its totient is φ = 12437743578400.

The previous prime is 25861622546189. The next prime is 25861622546341. The reversal of 25861622546338 is 83364522616852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221019818 + ... + 2221031461.

It is an arithmetic number, because the mean of its divisors is an integer number (2518643075760).

Almost surely, 2^{25861622546338} is an apocalyptic number.

25861622546338 is a deficient number, since it is larger than the sum of its proper divisors (14436666665822).

25861622546338 is a wasteful number, since it uses less digits than its factorization.

25861622546338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442051393.

The product of its digits is 99532800, while the sum is 61.

The spelling of 25861622546338 in words is "twenty-five trillion, eight hundred sixty-one billion, six hundred twenty-two million, five hundred forty-six thousand, three hundred thirty-eight".