26305140073 has 2 divisors, whose sum is σ = 26305140074. Its totient is φ = 26305140072.

The previous prime is 26305140011. The next prime is 26305140079. The reversal of 26305140073 is 37004150362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24775704409 + 1529435664 = 157403^2 + 39108^2 .

It is a cyclic number.

It is not a de Polignac number, because 26305140073 - 2⁹ = 26305139561 is a prime.

It is not a weakly prime, because it can be changed into another prime (26305140079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13152570036 + 13152570037.

It is an arithmetic number, because the mean of its divisors is an integer number (13152570037).

Almost surely, 2^26305140073 is an apocalyptic number.

It is an amenable number.

26305140073 is a deficient number, since it is larger than the sum of its proper divisors (1).

26305140073 is an equidigital number, since it uses as much as digits as its factorization.

26305140073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 26305140073 in words is "twenty-six billion, three hundred five million, one hundred forty thousand, seventy-three".