25609999982053 has 8 divisors (see below), whose sum is σ = 26608793844600. Its totient is φ = 24618918813888.

The previous prime is 25609999982051. The next prime is 25609999982057. The reversal of 25609999982053 is 35028999990652.

It can be written as a sum of positive squares in 4 ways, for example, as 10056496755204 + 15553503226849 = 3171198^2 + 3943793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25609999982053 - 2¹ = 25609999982051 is a prime.

It is a super-3 number, since 3×25609999982053³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25609999982051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928166826 + ... + 1928180107.

It is an arithmetic number, because the mean of its divisors is an integer number (3326099230575).

Almost surely, 2^{25609999982053} is an apocalyptic number.

It is an amenable number.

25609999982053 is a deficient number, since it is larger than the sum of its proper divisors (998793862547).

25609999982053 is a wasteful number, since it uses less digits than its factorization.

25609999982053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856347191.

The product of its (nonzero) digits is 850305600, while the sum is 76.

The spelling of 25609999982053 in words is "twenty-five trillion, six hundred nine billion, nine hundred ninety-nine million, nine hundred eighty-two thousand, fifty-three".