254166632249 has 4 divisors (see below), whose sum is σ = 267543823440. Its totient is φ = 240789441060.

The previous prime is 254166632227. The next prime is 254166632263. The reversal of 254166632249 is 942236661452.

254166632249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254166632249 - 2¹⁶ = 254166566713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254166632197 and 254166632206.

It is not an unprimeable number, because it can be changed into a prime (254166632219) 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 in 3 ways as a sum of consecutive naturals, for example, 6688595567 + ... + 6688595604.

It is an arithmetic number, because the mean of its divisors is an integer number (66885955860).

Almost surely, 2^254166632249 is an apocalyptic number.

It is an amenable number.

254166632249 is a deficient number, since it is larger than the sum of its proper divisors (13377191191).

254166632249 is a wasteful number, since it uses less digits than its factorization.

254166632249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377191190.

The product of its digits is 3732480, while the sum is 50.

The spelling of 254166632249 in words is "two hundred fifty-four billion, one hundred sixty-six million, six hundred thirty-two thousand, two hundred forty-nine".