5450221322473 has 2 divisors, whose sum is σ = 5450221322474. Its totient is φ = 5450221322472.

The previous prime is 5450221322383. The next prime is 5450221322477. The reversal of 5450221322473 is 3742231220545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3774056092249 + 1676165230224 = 1942693^2 + 1294668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5450221322473 is a prime.

It is not a weakly prime, because it can be changed into another prime (5450221322477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725110661236 + 2725110661237.

It is an arithmetic number, because the mean of its divisors is an integer number (2725110661237).

Almost surely, 2^{5450221322473} is an apocalyptic number.

It is an amenable number.

5450221322473 is a deficient number, since it is larger than the sum of its proper divisors (1).

5450221322473 is an equidigital number, since it uses as much as digits as its factorization.

5450221322473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 5450221322473 in words is "five trillion, four hundred fifty billion, two hundred twenty-one million, three hundred twenty-two thousand, four hundred seventy-three".