1394873093 has 2 divisors, whose sum is σ = 1394873094. Its totient is φ = 1394873092.

The previous prime is 1394873063. The next prime is 1394873099. The reversal of 1394873093 is 3903784931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357332964 + 37540129 = 36842^2 + 6127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394873093 - 2³⁰ = 321131269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1394873099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697436546 + 697436547.

It is an arithmetic number, because the mean of its divisors is an integer number (697436547).

Almost surely, 2^1394873093 is an apocalyptic number.

It is an amenable number.

1394873093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394873093 is an equidigital number, since it uses as much as digits as its factorization.

1394873093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 1394873093 is about 37347.9998527364. Note that the first 3 decimals coincide. The cubic root of 1394873093 is about 1117.3216969334.

The spelling of 1394873093 in words is "one billion, three hundred ninety-four million, eight hundred seventy-three thousand, ninety-three".