254671201669 has 2 divisors, whose sum is σ = 254671201670. Its totient is φ = 254671201668.

The previous prime is 254671201639. The next prime is 254671201679. The reversal of 254671201669 is 966102176452.

254671201669 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., 178812271044 + 75858930625 = 422862^2 + 275425^2 .

It is a cyclic number.

It is not a de Polignac number, because 254671201669 - 2⁹ = 254671201157 is a prime.

It is a super-2 number, since 2×254671201669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254671201639) 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, 127335600834 + 127335600835.

It is an arithmetic number, because the mean of its divisors is an integer number (127335600835).

Almost surely, 2^254671201669 is an apocalyptic number.

It is an amenable number.

254671201669 is a deficient number, since it is larger than the sum of its proper divisors (1).

254671201669 is an equidigital number, since it uses as much as digits as its factorization.

254671201669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 254671201669 in words is "two hundred fifty-four billion, six hundred seventy-one million, two hundred one thousand, six hundred sixty-nine".