395493250249 has 2 divisors, whose sum is σ = 395493250250. Its totient is φ = 395493250248.

The previous prime is 395493250189. The next prime is 395493250253. The reversal of 395493250249 is 942052394593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231079219849 + 164414030400 = 480707^2 + 405480^2 .

It is a cyclic number.

It is not a de Polignac number, because 395493250249 - 2¹⁹ = 395492725961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395493250249.

It is not a weakly prime, because it can be changed into another prime (395493250279) 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, 197746625124 + 197746625125.

It is an arithmetic number, because the mean of its divisors is an integer number (197746625125).

Almost surely, 2^395493250249 is an apocalyptic number.

It is an amenable number.

395493250249 is a deficient number, since it is larger than the sum of its proper divisors (1).

395493250249 is an equidigital number, since it uses as much as digits as its factorization.

395493250249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 395493250249 in words is "three hundred ninety-five billion, four hundred ninety-three million, two hundred fifty thousand, two hundred forty-nine".