254616616489 has 2 divisors, whose sum is σ = 254616616490. Its totient is φ = 254616616488.

The previous prime is 254616616421. The next prime is 254616616511. The reversal of 254616616489 is 984616616452.

254616616489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138594632089 + 116021984400 = 372283^2 + 340620^2 .

It is a cyclic number.

It is not a de Polignac number, because 254616616489 - 2¹⁵ = 254616583721 is a prime.

It is not a weakly prime, because it can be changed into another prime (254616016489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127308308244 + 127308308245.

It is an arithmetic number, because the mean of its divisors is an integer number (127308308245).

Almost surely, 2^254616616489 is an apocalyptic number.

It is an amenable number.

254616616489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254616616489 is an equidigital number, since it uses as much as digits as its factorization.

254616616489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 58.

The spelling of 254616616489 in words is "two hundred fifty-four billion, six hundred sixteen million, six hundred sixteen thousand, four hundred eighty-nine".