254460720529 has 2 divisors, whose sum is σ = 254460720530. Its totient is φ = 254460720528.

The previous prime is 254460720469. The next prime is 254460720551. The reversal of 254460720529 is 925027064452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250248061504 + 4212659025 = 500248^2 + 64905^2 .

It is a cyclic number.

It is not a de Polignac number, because 254460720529 - 2¹¹ = 254460718481 is a prime.

It is not a weakly prime, because it can be changed into another prime (254460720029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127230360264 + 127230360265.

It is an arithmetic number, because the mean of its divisors is an integer number (127230360265).

Almost surely, 2^254460720529 is an apocalyptic number.

It is an amenable number.

254460720529 is a deficient number, since it is larger than the sum of its proper divisors (1).

254460720529 is an equidigital number, since it uses as much as digits as its factorization.

254460720529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 254460720529 in words is "two hundred fifty-four billion, four hundred sixty million, seven hundred twenty thousand, five hundred twenty-nine".