254045150869 has 2 divisors, whose sum is σ = 254045150870. Its totient is φ = 254045150868.

The previous prime is 254045150867. The next prime is 254045150873. The reversal of 254045150869 is 968051540452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218752644100 + 35292506769 = 467710^2 + 187863^2 .

It is a cyclic number.

It is not a de Polignac number, because 254045150869 - 2¹ = 254045150867 is a prime.

It is a super-2 number, since 2×254045150869² (a number of 24 digits) contains 22 as substring.

Together with 254045150867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254045150867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127022575434 + 127022575435.

It is an arithmetic number, because the mean of its divisors is an integer number (127022575435).

Almost surely, 2^254045150869 is an apocalyptic number.

It is an amenable number.

254045150869 is a deficient number, since it is larger than the sum of its proper divisors (1).

254045150869 is an equidigital number, since it uses as much as digits as its factorization.

254045150869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 254045150869 in words is "two hundred fifty-four billion, forty-five million, one hundred fifty thousand, eight hundred sixty-nine".