3993342473 has 2 divisors, whose sum is σ = 3993342474. Its totient is φ = 3993342472.

The previous prime is 3993342443. The next prime is 3993342541. The reversal of 3993342473 is 3742433993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2828963344 + 1164379129 = 53188^2 + 34123^2 .

It is an emirp because it is prime and its reverse (3742433993) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3993342473 is a prime.

It is a super-3 number, since 3×3993342473³ (a number of 30 digits) contains 333 as substring.

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 (3993342403) 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, 1996671236 + 1996671237.

It is an arithmetic number, because the mean of its divisors is an integer number (1996671237).

Almost surely, 2^3993342473 is an apocalyptic number.

It is an amenable number.

3993342473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3993342473 is an equidigital number, since it uses as much as digits as its factorization.

3993342473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 47.

The square root of 3993342473 is about 63192.8989127734. The cubic root of 3993342473 is about 1586.5198824728.

The spelling of 3993342473 in words is "three billion, nine hundred ninety-three million, three hundred forty-two thousand, four hundred seventy-three".