1493708393 has 2 divisors, whose sum is σ = 1493708394. Its totient is φ = 1493708392.

The previous prime is 1493708387. The next prime is 1493708399. The reversal of 1493708393 is 3938073941.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1493708387) and next prime (1493708399).

It can be written as a sum of positive squares in only one way, i.e., 831572569 + 662135824 = 28837^2 + 25732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493708393 - 2⁸ = 1493708137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1493708399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746854196 + 746854197.

It is an arithmetic number, because the mean of its divisors is an integer number (746854197).

Almost surely, 2^1493708393 is an apocalyptic number.

It is an amenable number.

1493708393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493708393 is an equidigital number, since it uses as much as digits as its factorization.

1493708393 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 1493708393 is about 38648.5238139829. The cubic root of 1493708393 is about 1143.1115347383. Note that the first 3 decimals are identical.

The spelling of 1493708393 in words is "one billion, four hundred ninety-three million, seven hundred eight thousand, three hundred ninety-three".