718390200010009 has 2 divisors, whose sum is σ = 718390200010010. Its totient is φ = 718390200010008.

The previous prime is 718390200010001. The next prime is 718390200010019. The reversal of 718390200010009 is 900010002093817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605632412160000 + 112757787850009 = 24609600^2 + 10618747^2 .

It is a cyclic number.

It is not a de Polignac number, because 718390200010009 - 2³ = 718390200010001 is a prime.

It is not a weakly prime, because it can be changed into another prime (718390200010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359195100005004 + 359195100005005.

It is an arithmetic number, because the mean of its divisors is an integer number (359195100005005).

Almost surely, 2^{718390200010009} is an apocalyptic number.

It is an amenable number.

718390200010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

718390200010009 is an equidigital number, since it uses as much as digits as its factorization.

718390200010009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 718390200010009 in words is "seven hundred eighteen trillion, three hundred ninety billion, two hundred million, ten thousand, nine".