7198030009 has 2 divisors, whose sum is σ = 7198030010. Its totient is φ = 7198030008.

The previous prime is 7198030003. The next prime is 7198030033. The reversal of 7198030009 is 9000308917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4552470784 + 2645559225 = 67472^2 + 51435^2 .

It is a cyclic number.

It is not a de Polignac number, because 7198030009 - 2⁹ = 7198029497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7198030009.

It is not a weakly prime, because it can be changed into another prime (7198030003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3599015004 + 3599015005.

It is an arithmetic number, because the mean of its divisors is an integer number (3599015005).

Almost surely, 2^7198030009 is an apocalyptic number.

It is an amenable number.

7198030009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7198030009 is an equidigital number, since it uses as much as digits as its factorization.

7198030009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 7198030009 is about 84841.2046649504. The cubic root of 7198030009 is about 1930.8026415359.

The spelling of 7198030009 in words is "seven billion, one hundred ninety-eight million, thirty thousand, nine".