25650859447379 has 2 divisors, whose sum is σ = 25650859447380. Its totient is φ = 25650859447378.

The previous prime is 25650859447351. The next prime is 25650859447393. The reversal of 25650859447379 is 97374495805652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25650859447379 - 2¹⁶ = 25650859381843 is a prime.

It is not a weakly prime, because it can be changed into another prime (25650859447079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12825429723689 + 12825429723690.

It is an arithmetic number, because the mean of its divisors is an integer number (12825429723690).

Almost surely, 2^{25650859447379} is an apocalyptic number.

25650859447379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25650859447379 is an equidigital number, since it uses as much as digits as its factorization.

25650859447379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144000, while the sum is 74.

The spelling of 25650859447379 in words is "twenty-five trillion, six hundred fifty billion, eight hundred fifty-nine million, four hundred forty-seven thousand, three hundred seventy-nine".