26761510093 has 2 divisors, whose sum is σ = 26761510094. Its totient is φ = 26761510092.

The previous prime is 26761510081. The next prime is 26761510123. The reversal of 26761510093 is 39001516762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25135565764 + 1625944329 = 158542^2 + 40323^2 .

It is a cyclic number.

It is not a de Polignac number, because 26761510093 - 2¹³ = 26761501901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26761510063) 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, 13380755046 + 13380755047.

It is an arithmetic number, because the mean of its divisors is an integer number (13380755047).

Almost surely, 2^26761510093 is an apocalyptic number.

It is an amenable number.

26761510093 is a deficient number, since it is larger than the sum of its proper divisors (1).

26761510093 is an equidigital number, since it uses as much as digits as its factorization.

26761510093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 26761510093 in words is "twenty-six billion, seven hundred sixty-one million, five hundred ten thousand, ninety-three".