107981297873993 has 2 divisors, whose sum is σ = 107981297873994. Its totient is φ = 107981297873992.

The previous prime is 107981297873971. The next prime is 107981297874013. The reversal of 107981297873993 is 399378792189701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58666592185744 + 49314705688249 = 7659412^2 + 7022443^2 .

It is a cyclic number.

It is not a de Polignac number, because 107981297873993 - 2³² = 107977002906697 is a prime.

It is not a weakly prime, because it can be changed into another prime (107981297873923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53990648936996 + 53990648936997.

It is an arithmetic number, because the mean of its divisors is an integer number (53990648936997).

Almost surely, 2^{107981297873993} is an apocalyptic number.

It is an amenable number.

107981297873993 is a deficient number, since it is larger than the sum of its proper divisors (1).

107981297873993 is an equidigital number, since it uses as much as digits as its factorization.

107981297873993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592487296, while the sum is 83.

The spelling of 107981297873993 in words is "one hundred seven trillion, nine hundred eighty-one billion, two hundred ninety-seven million, eight hundred seventy-three thousand, nine hundred ninety-three".