97094239309 has 2 divisors, whose sum is σ = 97094239310. Its totient is φ = 97094239308.

The previous prime is 97094239303. The next prime is 97094239327. The reversal of 97094239309 is 90393249079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91037975625 + 6056263684 = 301725^2 + 77822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97094239309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97094239309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97094239303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48547119654 + 48547119655.

It is an arithmetic number, because the mean of its divisors is an integer number (48547119655).

Almost surely, 2^97094239309 is an apocalyptic number.

It is an amenable number.

97094239309 is a deficient number, since it is larger than the sum of its proper divisors (1).

97094239309 is an equidigital number, since it uses as much as digits as its factorization.

97094239309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 97094239309 in words is "ninety-seven billion, ninety-four million, two hundred thirty-nine thousand, three hundred nine".