30443668693 has 2 divisors, whose sum is σ = 30443668694. Its totient is φ = 30443668692.

The previous prime is 30443668681. The next prime is 30443668769. The reversal of 30443668693 is 39686634403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30442572484 + 1096209 = 174478^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 30443668693 - 2¹³ = 30443660501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30443668693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30443668603) 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, 15221834346 + 15221834347.

It is an arithmetic number, because the mean of its divisors is an integer number (15221834347).

Almost surely, 2^30443668693 is an apocalyptic number.

It is an amenable number.

30443668693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30443668693 is an equidigital number, since it uses as much as digits as its factorization.

30443668693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 30443668693 in words is "thirty billion, four hundred forty-three million, six hundred sixty-eight thousand, six hundred ninety-three".