941395747921 has 2 divisors, whose sum is σ = 941395747922. Its totient is φ = 941395747920.

The previous prime is 941395747819. The next prime is 941395747931. The reversal of 941395747921 is 129747593149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494187910225 + 447207837696 = 702985^2 + 668736^2 .

It is a cyclic number.

It is not a de Polignac number, because 941395747921 - 2⁷ = 941395747793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 941395747921.

It is not a weakly prime, because it can be changed into another prime (941395747931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470697873960 + 470697873961.

It is an arithmetic number, because the mean of its divisors is an integer number (470697873961).

Almost surely, 2^941395747921 is an apocalyptic number.

It is an amenable number.

941395747921 is a deficient number, since it is larger than the sum of its proper divisors (1).

941395747921 is an equidigital number, since it uses as much as digits as its factorization.

941395747921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 61.

The spelling of 941395747921 in words is "nine hundred forty-one billion, three hundred ninety-five million, seven hundred forty-seven thousand, nine hundred twenty-one".