5367417566221 has 2 divisors, whose sum is σ = 5367417566222. Its totient is φ = 5367417566220.

The previous prime is 5367417566183. The next prime is 5367417566267. The reversal of 5367417566221 is 1226657147635.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5068738920996 + 298678645225 = 2251386^2 + 546515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5367417566221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5367417567221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2683708783110 + 2683708783111.

It is an arithmetic number, because the mean of its divisors is an integer number (2683708783111).

Almost surely, 2^{5367417566221} is an apocalyptic number.

It is an amenable number.

5367417566221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5367417566221 is an equidigital number, since it uses as much as digits as its factorization.

5367417566221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 55.

The spelling of 5367417566221 in words is "five trillion, three hundred sixty-seven billion, four hundred seventeen million, five hundred sixty-six thousand, two hundred twenty-one".