26093650316857 has 2 divisors, whose sum is σ = 26093650316858. Its totient is φ = 26093650316856.

The previous prime is 26093650316849. The next prime is 26093650316879. The reversal of 26093650316857 is 75861305639062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21001515073081 + 5092135243776 = 4582741^2 + 2256576^2 .

It is a cyclic number.

It is not a de Polignac number, because 26093650316857 - 2³ = 26093650316849 is a prime.

It is a super-2 number, since 2×26093650316857² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26093650316795 and 26093650316804.

It is not a weakly prime, because it can be changed into another prime (26093650316057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13046825158428 + 13046825158429.

It is an arithmetic number, because the mean of its divisors is an integer number (13046825158429).

Almost surely, 2^{26093650316857} is an apocalyptic number.

It is an amenable number.

26093650316857 is a deficient number, since it is larger than the sum of its proper divisors (1).

26093650316857 is an equidigital number, since it uses as much as digits as its factorization.

26093650316857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 26093650316857 in words is "twenty-six trillion, ninety-three billion, six hundred fifty million, three hundred sixteen thousand, eight hundred fifty-seven".