1494146393 has 2 divisors, whose sum is σ = 1494146394. Its totient is φ = 1494146392.

The previous prime is 1494146369. The next prime is 1494146399. The reversal of 1494146393 is 3936414941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385923984 + 108222409 = 37228^2 + 10403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494146393 - 2¹² = 1494142297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1494146399) 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, 747073196 + 747073197.

It is an arithmetic number, because the mean of its divisors is an integer number (747073197).

Almost surely, 2^1494146393 is an apocalyptic number.

It is an amenable number.

1494146393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494146393 is an equidigital number, since it uses as much as digits as its factorization.

1494146393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 1494146393 is about 38654.1898505194. The cubic root of 1494146393 is about 1143.2232553222.

The spelling of 1494146393 in words is "one billion, four hundred ninety-four million, one hundred forty-six thousand, three hundred ninety-three".