249608186504953 has 2 divisors, whose sum is σ = 249608186504954. Its totient is φ = 249608186504952.

The previous prime is 249608186504921. The next prime is 249608186505011. The reversal of 249608186504953 is 359405681806942.

249608186504953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144453764907664 + 105154421597289 = 12018892^2 + 10254483^2 .

It is a cyclic number.

It is not a de Polignac number, because 249608186504953 - 2⁵ = 249608186504921 is a prime.

It is not a weakly prime, because it can be changed into another prime (249608186504903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124804093252476 + 124804093252477.

It is an arithmetic number, because the mean of its divisors is an integer number (124804093252477).

Almost surely, 2^{249608186504953} is an apocalyptic number.

It is an amenable number.

249608186504953 is a deficient number, since it is larger than the sum of its proper divisors (1).

249608186504953 is an equidigital number, since it uses as much as digits as its factorization.

249608186504953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 447897600, while the sum is 70.

The spelling of 249608186504953 in words is "two hundred forty-nine trillion, six hundred eight billion, one hundred eighty-six million, five hundred four thousand, nine hundred fifty-three".