9799420417 has 2 divisors, whose sum is σ = 9799420418. Its totient is φ = 9799420416.

The previous prime is 9799420409. The next prime is 9799420451. The reversal of 9799420417 is 7140249979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6839951616 + 2959468801 = 82704^2 + 54401^2 .

It is an emirp because it is prime and its reverse (7140249979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9799420417 - 2³ = 9799420409 is a prime.

It is not a weakly prime, because it can be changed into another prime (9799420117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899710208 + 4899710209.

It is an arithmetic number, because the mean of its divisors is an integer number (4899710209).

Almost surely, 2^9799420417 is an apocalyptic number.

It is an amenable number.

9799420417 is a deficient number, since it is larger than the sum of its proper divisors (1).

9799420417 is an equidigital number, since it uses as much as digits as its factorization.

9799420417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 9799420417 is about 98992.0219866227. The cubic root of 9799420417 is about 2139.9327734581.

The spelling of 9799420417 in words is "nine billion, seven hundred ninety-nine million, four hundred twenty thousand, four hundred seventeen".