329803261097 has 2 divisors, whose sum is σ = 329803261098. Its totient is φ = 329803261096.

The previous prime is 329803261069. The next prime is 329803261147. The reversal of 329803261097 is 790162308923.

It is a happy number.

It is an a-pointer prime, because the next prime (329803261147) can be obtained adding 329803261097 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326702553241 + 3100707856 = 571579^2 + 55684^2 .

It is a cyclic number.

It is not a de Polignac number, because 329803261097 - 2⁶ = 329803261033 is a prime.

It is not a weakly prime, because it can be changed into another prime (329803264097) 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, 164901630548 + 164901630549.

It is an arithmetic number, because the mean of its divisors is an integer number (164901630549).

Almost surely, 2^329803261097 is an apocalyptic number.

It is an amenable number.

329803261097 is a deficient number, since it is larger than the sum of its proper divisors (1).

329803261097 is an equidigital number, since it uses as much as digits as its factorization.

329803261097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 329803261097 in words is "three hundred twenty-nine billion, eight hundred three million, two hundred sixty-one thousand, ninety-seven".