109262042693957 has 2 divisors, whose sum is σ = 109262042693958. Its totient is φ = 109262042693956.

The previous prime is 109262042693911. The next prime is 109262042694023. The reversal of 109262042693957 is 759396240262901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106760122285441 + 2501920408516 = 10332479^2 + 1581746^2 .

It is an emirp because it is prime and its reverse (759396240262901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109262042693957 - 2²⁶ = 109261975585093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109262042693893 and 109262042693902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109262042603957) 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, 54631021346978 + 54631021346979.

It is an arithmetic number, because the mean of its divisors is an integer number (54631021346979).

Almost surely, 2^{109262042693957} is an apocalyptic number.

It is an amenable number.

109262042693957 is a deficient number, since it is larger than the sum of its proper divisors (1).

109262042693957 is an equidigital number, since it uses as much as digits as its factorization.

109262042693957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 109262042693957 in words is "one hundred nine trillion, two hundred sixty-two billion, forty-two million, six hundred ninety-three thousand, nine hundred fifty-seven".