249898000841 has 2 divisors, whose sum is σ = 249898000842. Its totient is φ = 249898000840.

The previous prime is 249898000799. The next prime is 249898000853. The reversal of 249898000841 is 148000898942.

It is a happy number.

249898000841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244554975625 + 5343025216 = 494525^2 + 73096^2 .

It is a cyclic number.

It is not a de Polignac number, because 249898000841 - 2²² = 249893806537 is a prime.

It is not a weakly prime, because it can be changed into another prime (249898000861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124949000420 + 124949000421.

It is an arithmetic number, because the mean of its divisors is an integer number (124949000421).

Almost surely, 2^249898000841 is an apocalyptic number.

It is an amenable number.

249898000841 is a deficient number, since it is larger than the sum of its proper divisors (1).

249898000841 is an equidigital number, since it uses as much as digits as its factorization.

249898000841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 249898000841 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, eight hundred forty-one", and thus it is an aban number.