275406325720073 has 2 divisors, whose sum is σ = 275406325720074. Its totient is φ = 275406325720072.

The previous prime is 275406325719947. The next prime is 275406325720081. The reversal of 275406325720073 is 370027523604572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139611050066944 + 135795275653129 = 11815712^2 + 11653123^2 .

It is a cyclic number.

It is not a de Polignac number, because 275406325720073 - 2²⁰ = 275406324671497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275406325719997 and 275406325720024.

It is not a weakly prime, because it can be changed into another prime (275406325720973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137703162860036 + 137703162860037.

It is an arithmetic number, because the mean of its divisors is an integer number (137703162860037).

Almost surely, 2^{275406325720073} is an apocalyptic number.

It is an amenable number.

275406325720073 is a deficient number, since it is larger than the sum of its proper divisors (1).

275406325720073 is an equidigital number, since it uses as much as digits as its factorization.

275406325720073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14817600, while the sum is 53.

The spelling of 275406325720073 in words is "two hundred seventy-five trillion, four hundred six billion, three hundred twenty-five million, seven hundred twenty thousand, seventy-three".