25967084543 has 4 divisors (see below), whose sum is σ = 26407204680. Its totient is φ = 25526964408.

The previous prime is 25967084513. The next prime is 25967084557. The reversal of 25967084543 is 34548076952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25967084543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25967084513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220059980 + ... + 220060097.

It is an arithmetic number, because the mean of its divisors is an integer number (6601801170).

Almost surely, 2^25967084543 is an apocalyptic number.

25967084543 is a deficient number, since it is larger than the sum of its proper divisors (440120137).

25967084543 is an equidigital number, since it uses as much as digits as its factorization.

25967084543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440120136.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 25967084543 in words is "twenty-five billion, nine hundred sixty-seven million, eighty-four thousand, five hundred forty-three".