1993629713 has 2 divisors, whose sum is σ = 1993629714. Its totient is φ = 1993629712.

The previous prime is 1993629709. The next prime is 1993629727. The reversal of 1993629713 is 3179263991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373221249 + 620408464 = 37057^2 + 24908^2 .

It is an emirp because it is prime and its reverse (3179263991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1993629713 - 2² = 1993629709 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 (1993629773) 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, 996814856 + 996814857.

It is an arithmetic number, because the mean of its divisors is an integer number (996814857).

Almost surely, 2^1993629713 is an apocalyptic number.

It is an amenable number.

1993629713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993629713 is an equidigital number, since it uses as much as digits as its factorization.

1993629713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 1993629713 is about 44650.0807726033. The cubic root of 1993629713 is about 1258.5819506984.

The spelling of 1993629713 in words is "one billion, nine hundred ninety-three million, six hundred twenty-nine thousand, seven hundred thirteen".