5320405421273 has 2 divisors, whose sum is σ = 5320405421274. Its totient is φ = 5320405421272.

The previous prime is 5320405421263. The next prime is 5320405421333. The reversal of 5320405421273 is 3721245040235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4579587160009 + 740818261264 = 2139997^2 + 860708^2 .

It is a cyclic number.

It is not a de Polignac number, because 5320405421273 - 2¹⁸ = 5320405159129 is a prime.

It is a super-2 number, since 2×5320405421273² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5320405421263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660202710636 + 2660202710637.

It is an arithmetic number, because the mean of its divisors is an integer number (2660202710637).

Almost surely, 2^{5320405421273} is an apocalyptic number.

It is an amenable number.

5320405421273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5320405421273 is an equidigital number, since it uses as much as digits as its factorization.

5320405421273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 5320405421273 in words is "five trillion, three hundred twenty billion, four hundred five million, four hundred twenty-one thousand, two hundred seventy-three".