469278193 has 2 divisors, whose sum is σ = 469278194. Its totient is φ = 469278192.

The previous prime is 469278167. The next prime is 469278211. The reversal of 469278193 is 391872964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468592609 + 685584 = 21647^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 469278193 - 2²¹ = 467181041 is a prime.

It is not a weakly prime, because it can be changed into another prime (469278113) 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, 234639096 + 234639097.

It is an arithmetic number, because the mean of its divisors is an integer number (234639097).

Almost surely, 2^469278193 is an apocalyptic number.

It is an amenable number.

469278193 is a deficient number, since it is larger than the sum of its proper divisors (1).

469278193 is an equidigital number, since it uses as much as digits as its factorization.

469278193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 469278193 is about 21662.8297551359. The cubic root of 469278193 is about 777.0997891367.

The spelling of 469278193 in words is "four hundred sixty-nine million, two hundred seventy-eight thousand, one hundred ninety-three".