25982773139 has 2 divisors, whose sum is σ = 25982773140. Its totient is φ = 25982773138.

The previous prime is 25982773133. The next prime is 25982773211. The reversal of 25982773139 is 93137728952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25982773139 - 2¹⁶ = 25982707603 is a prime.

It is not a weakly prime, because it can be changed into another prime (25982773133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12991386569 + 12991386570.

It is an arithmetic number, because the mean of its divisors is an integer number (12991386570).

Almost surely, 2^25982773139 is an apocalyptic number.

25982773139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25982773139 is an equidigital number, since it uses as much as digits as its factorization.

25982773139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The spelling of 25982773139 in words is "twenty-five billion, nine hundred eighty-two million, seven hundred seventy-three thousand, one hundred thirty-nine".