25468539143 has 4 divisors (see below), whose sum is σ = 25481938488. Its totient is φ = 25455139800.

The previous prime is 25468539133. The next prime is 25468539169. The reversal of 25468539143 is 34193586452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25468539143 - 2¹⁴ = 25468522759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25468539091 and 25468539100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25468539133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6696821 + ... + 6700622.

It is an arithmetic number, because the mean of its divisors is an integer number (6370484622).

Almost surely, 2^25468539143 is an apocalyptic number.

25468539143 is a deficient number, since it is larger than the sum of its proper divisors (13399345).

25468539143 is a wasteful number, since it uses less digits than its factorization.

25468539143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13399344.

The product of its digits is 3110400, while the sum is 50.

The spelling of 25468539143 in words is "twenty-five billion, four hundred sixty-eight million, five hundred thirty-nine thousand, one hundred forty-three".