249449659259 has 2 divisors, whose sum is σ = 249449659260. Its totient is φ = 249449659258.

The previous prime is 249449659243. The next prime is 249449659267. The reversal of 249449659259 is 952956944942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249449659259 - 2⁴ = 249449659243 is a prime.

It is not a weakly prime, because it can be changed into another prime (249449652259) 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, 124724829629 + 124724829630.

It is an arithmetic number, because the mean of its divisors is an integer number (124724829630).

Almost surely, 2^249449659259 is an apocalyptic number.

249449659259 is a deficient number, since it is larger than the sum of its proper divisors (1).

249449659259 is an equidigital number, since it uses as much as digits as its factorization.

249449659259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 251942400, while the sum is 68.

The spelling of 249449659259 in words is "two hundred forty-nine billion, four hundred forty-nine million, six hundred fifty-nine thousand, two hundred fifty-nine".