26057384953 has 2 divisors, whose sum is σ = 26057384954. Its totient is φ = 26057384952.

The previous prime is 26057384923. The next prime is 26057384981. The reversal of 26057384953 is 35948375062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15732183184 + 10325201769 = 125428^2 + 101613^2 .

It is a cyclic number.

It is not a de Polignac number, because 26057384953 - 2⁵ = 26057384921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26057384953.

It is not a weakly prime, because it can be changed into another prime (26057384923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13028692476 + 13028692477.

It is an arithmetic number, because the mean of its divisors is an integer number (13028692477).

Almost surely, 2^26057384953 is an apocalyptic number.

It is an amenable number.

26057384953 is a deficient number, since it is larger than the sum of its proper divisors (1).

26057384953 is an equidigital number, since it uses as much as digits as its factorization.

26057384953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 26057384953 in words is "twenty-six billion, fifty-seven million, three hundred eighty-four thousand, nine hundred fifty-three".