25889133679 has 2 divisors, whose sum is σ = 25889133680. Its totient is φ = 25889133678.

The previous prime is 25889133653. The next prime is 25889133763. The reversal of 25889133679 is 97633198852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25889133679 - 2⁹ = 25889133167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25889133629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12944566839 + 12944566840.

It is an arithmetic number, because the mean of its divisors is an integer number (12944566840).

Almost surely, 2^25889133679 is an apocalyptic number.

25889133679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25889133679 is an equidigital number, since it uses as much as digits as its factorization.

25889133679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 61.

The spelling of 25889133679 in words is "twenty-five billion, eight hundred eighty-nine million, one hundred thirty-three thousand, six hundred seventy-nine".