25982891169308 has 6 divisors (see below), whose sum is σ = 45470059546296. Its totient is φ = 12991445584652.

The previous prime is 25982891169271. The next prime is 25982891169329. The reversal of 25982891169308 is 80396119828952.

It is a super-2 number, since 2×25982891169308² (a number of 28 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 as a sum of consecutive naturals, namely, 3247861396160 + ... + 3247861396167.

It is an arithmetic number, because the mean of its divisors is an integer number (7578343257716).

Almost surely, 2^{25982891169308} is an apocalyptic number.

It is an amenable number.

25982891169308 is a deficient number, since it is larger than the sum of its proper divisors (19487168376988).

25982891169308 is a wasteful number, since it uses less digits than its factorization.

25982891169308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495722792331 (or 6495722792329 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 71.

The spelling of 25982891169308 in words is "twenty-five trillion, nine hundred eighty-two billion, eight hundred ninety-one million, one hundred sixty-nine thousand, three hundred eight".