254040242123419 has 2 divisors, whose sum is σ = 254040242123420. Its totient is φ = 254040242123418.

The previous prime is 254040242123401. The next prime is 254040242123443. The reversal of 254040242123419 is 914321242040452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254040242123419 - 2²⁷ = 254040107905691 is a prime.

It is a super-2 number, since 2×254040242123419² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254040242183419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127020121061709 + 127020121061710.

It is an arithmetic number, because the mean of its divisors is an integer number (127020121061710).

Almost surely, 2^{254040242123419} is an apocalyptic number.

254040242123419 is a deficient number, since it is larger than the sum of its proper divisors (1).

254040242123419 is an equidigital number, since it uses as much as digits as its factorization.

254040242123419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 254040242123419 in words is "two hundred fifty-four trillion, forty billion, two hundred forty-two million, one hundred twenty-three thousand, four hundred nineteen".