254103834109 has 2 divisors, whose sum is σ = 254103834110. Its totient is φ = 254103834108.

The previous prime is 254103834097. The next prime is 254103834139. The reversal of 254103834109 is 901438301452.

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., 160744864900 + 93358969209 = 400930^2 + 305547^2 .

It is a cyclic number.

It is not a de Polignac number, because 254103834109 - 2¹¹ = 254103832061 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254103834139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127051917054 + 127051917055.

It is an arithmetic number, because the mean of its divisors is an integer number (127051917055).

Almost surely, 2^254103834109 is an apocalyptic number.

It is an amenable number.

254103834109 is a deficient number, since it is larger than the sum of its proper divisors (1).

254103834109 is an equidigital number, since it uses as much as digits as its factorization.

254103834109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 254103834109 in words is "two hundred fifty-four billion, one hundred three million, eight hundred thirty-four thousand, one hundred nine".