102726746917 has 2 divisors, whose sum is σ = 102726746918. Its totient is φ = 102726746916.

The previous prime is 102726746873. The next prime is 102726746981. The reversal of 102726746917 is 719647627201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72562351876 + 30164395041 = 269374^2 + 173679^2 .

It is a cyclic number.

It is not a de Polignac number, because 102726746917 - 2¹⁵ = 102726714149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102726756917) 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, 51363373458 + 51363373459.

It is an arithmetic number, because the mean of its divisors is an integer number (51363373459).

Almost surely, 2^102726746917 is an apocalyptic number.

It is an amenable number.

102726746917 is a deficient number, since it is larger than the sum of its proper divisors (1).

102726746917 is an equidigital number, since it uses as much as digits as its factorization.

102726746917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 102726746917 in words is "one hundred two billion, seven hundred twenty-six million, seven hundred forty-six thousand, nine hundred seventeen".