9795458545921 has 2 divisors, whose sum is σ = 9795458545922. Its totient is φ = 9795458545920.

The previous prime is 9795458545897. The next prime is 9795458545981. The reversal of 9795458545921 is 1295458545979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7045632318321 + 2749826227600 = 2654361^2 + 1658260^2 .

It is a cyclic number.

It is not a de Polignac number, because 9795458545921 - 2¹¹ = 9795458543873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9795458545981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4897729272960 + 4897729272961.

It is an arithmetic number, because the mean of its divisors is an integer number (4897729272961).

Almost surely, 2^{9795458545921} is an apocalyptic number.

It is an amenable number.

9795458545921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9795458545921 is an equidigital number, since it uses as much as digits as its factorization.

9795458545921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480000, while the sum is 73.

The spelling of 9795458545921 in words is "nine trillion, seven hundred ninety-five billion, four hundred fifty-eight million, five hundred forty-five thousand, nine hundred twenty-one".