9365046698221 has 2 divisors, whose sum is σ = 9365046698222. Its totient is φ = 9365046698220.

The previous prime is 9365046698213. The next prime is 9365046698297. The reversal of 9365046698221 is 1228966405639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7480164830121 + 1884881868100 = 2734989^2 + 1372910^2 .

It is a cyclic number.

It is not a de Polignac number, because 9365046698221 - 2³ = 9365046698213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9365046698221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9365046696221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4682523349110 + 4682523349111.

It is an arithmetic number, because the mean of its divisors is an integer number (4682523349111).

Almost surely, 2^{9365046698221} is an apocalyptic number.

It is an amenable number.

9365046698221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9365046698221 is an equidigital number, since it uses as much as digits as its factorization.

9365046698221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 9365046698221 in words is "nine trillion, three hundred sixty-five billion, forty-six million, six hundred ninety-eight thousand, two hundred twenty-one".