8252122517993 has 2 divisors, whose sum is σ = 8252122517994. Its totient is φ = 8252122517992.

The previous prime is 8252122517917. The next prime is 8252122518053. The reversal of 8252122517993 is 3997152212528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6523717980649 + 1728404537344 = 2554157^2 + 1314688^2 .

It is a cyclic number.

It is not a de Polignac number, because 8252122517993 - 2²² = 8252118323689 is a prime.

It is not a weakly prime, because it can be changed into another prime (8252122537993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126061258996 + 4126061258997.

It is an arithmetic number, because the mean of its divisors is an integer number (4126061258997).

Almost surely, 2^{8252122517993} is an apocalyptic number.

It is an amenable number.

8252122517993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252122517993 is an equidigital number, since it uses as much as digits as its factorization.

8252122517993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 56.

The spelling of 8252122517993 in words is "eight trillion, two hundred fifty-two billion, one hundred twenty-two million, five hundred seventeen thousand, nine hundred ninety-three".