9845920490453 has 2 divisors, whose sum is σ = 9845920490454. Its totient is φ = 9845920490452.

The previous prime is 9845920490353. The next prime is 9845920490473. The reversal of 9845920490453 is 3540940295489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497232767089 + 3348687723364 = 2548967^2 + 1829942^2 .

It is a cyclic number.

It is not a de Polignac number, because 9845920490453 - 2³⁰ = 9844846748629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9845920490473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922960245226 + 4922960245227.

It is an arithmetic number, because the mean of its divisors is an integer number (4922960245227).

Almost surely, 2^{9845920490453} is an apocalyptic number.

It is an amenable number.

9845920490453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9845920490453 is an equidigital number, since it uses as much as digits as its factorization.

9845920490453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 9845920490453 in words is "nine trillion, eight hundred forty-five billion, nine hundred twenty million, four hundred ninety thousand, four hundred fifty-three".