254042002089 has 12 divisors (see below), whose sum is σ = 367006737136. Its totient is φ = 169334944632.

The previous prime is 254042002063. The next prime is 254042002099. The reversal of 254042002089 is 980200240452.

254042002089 is a `hidden beast` number, since 25 + 4 + 0 + 420 + 0 + 208 + 9 = 666.

It is not a de Polignac number, because 254042002089 - 2¹⁹ = 254041477801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254042002099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2138119 + ... + 2253804.

Almost surely, 2^254042002089 is an apocalyptic number.

It is an amenable number.

254042002089 is a deficient number, since it is larger than the sum of its proper divisors (112964735047).

254042002089 is a wasteful number, since it uses less digits than its factorization.

254042002089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398356 (or 4398353 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 254042002089 in words is "two hundred fifty-four billion, forty-two million, two thousand, eighty-nine".