276054460408217 has 2 divisors, whose sum is σ = 276054460408218. Its totient is φ = 276054460408216.

The previous prime is 276054460408201. The next prime is 276054460408229. The reversal of 276054460408217 is 712804064450672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260295275401561 + 15759185006656 = 16133669^2 + 3969784^2 .

It is a cyclic number.

It is not a de Polignac number, because 276054460408217 - 2⁴ = 276054460408201 is a prime.

It is a super-2 number, since 2×276054460408217² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276054460408247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138027230204108 + 138027230204109.

It is an arithmetic number, because the mean of its divisors is an integer number (138027230204109).

Almost surely, 2^{276054460408217} is an apocalyptic number.

It is an amenable number.

276054460408217 is a deficient number, since it is larger than the sum of its proper divisors (1).

276054460408217 is an equidigital number, since it uses as much as digits as its factorization.

276054460408217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 276054460408217 in words is "two hundred seventy-six trillion, fifty-four billion, four hundred sixty million, four hundred eight thousand, two hundred seventeen".