254235390049 has 2 divisors, whose sum is σ = 254235390050. Its totient is φ = 254235390048.

The previous prime is 254235390001. The next prime is 254235390089. The reversal of 254235390049 is 940093532452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248744580049 + 5490810000 = 498743^2 + 74100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254235390049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254235389990 and 254235390008.

It is not a weakly prime, because it can be changed into another prime (254235390089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127117695024 + 127117695025.

It is an arithmetic number, because the mean of its divisors is an integer number (127117695025).

Almost surely, 2^254235390049 is an apocalyptic number.

It is an amenable number.

254235390049 is a deficient number, since it is larger than the sum of its proper divisors (1).

254235390049 is an equidigital number, since it uses as much as digits as its factorization.

254235390049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 254235390049 in words is "two hundred fifty-four billion, two hundred thirty-five million, three hundred ninety thousand, forty-nine".