797450213983933 has 2 divisors, whose sum is σ = 797450213983934. Its totient is φ = 797450213983932.

The previous prime is 797450213983901. The next prime is 797450213983939. The reversal of 797450213983933 is 339389312054797.

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., 439712255446489 + 357737958537444 = 20969317^2 + 18913962^2 .

It is a cyclic number.

It is not a de Polignac number, because 797450213983933 - 2⁵ = 797450213983901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797450213983939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398725106991966 + 398725106991967.

It is an arithmetic number, because the mean of its divisors is an integer number (398725106991967).

Almost surely, 2^{797450213983933} is an apocalyptic number.

It is an amenable number.

797450213983933 is a deficient number, since it is larger than the sum of its proper divisors (1).

797450213983933 is an equidigital number, since it uses as much as digits as its factorization.

797450213983933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 925888320, while the sum is 73.

The spelling of 797450213983933 in words is "seven hundred ninety-seven trillion, four hundred fifty billion, two hundred thirteen million, nine hundred eighty-three thousand, nine hundred thirty-three".