109022979425897 has 2 divisors, whose sum is σ = 109022979425898. Its totient is φ = 109022979425896.

The previous prime is 109022979425863. The next prime is 109022979426001. The reversal of 109022979425897 is 798524979220901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63615044617216 + 45407934808681 = 7975904^2 + 6738541^2 .

It is a cyclic number.

It is not a de Polignac number, because 109022979425897 - 2⁸ = 109022979425641 is a prime.

It is not a weakly prime, because it can be changed into another prime (109022979425837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54511489712948 + 54511489712949.

It is an arithmetic number, because the mean of its divisors is an integer number (54511489712949).

Almost surely, 2^{109022979425897} is an apocalyptic number.

It is an amenable number.

109022979425897 is a deficient number, since it is larger than the sum of its proper divisors (1).

109022979425897 is an equidigital number, since it uses as much as digits as its factorization.

109022979425897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 109022979425897 in words is "one hundred nine trillion, twenty-two billion, nine hundred seventy-nine million, four hundred twenty-five thousand, eight hundred ninety-seven".