206740483603 has 2 divisors, whose sum is σ = 206740483604. Its totient is φ = 206740483602.

The previous prime is 206740483601. The next prime is 206740483627. The reversal of 206740483603 is 306384047602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206740483603 - 2¹ = 206740483601 is a prime.

Together with 206740483601, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 206740483603.

It is not a weakly prime, because it can be changed into another prime (206740483601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103370241801 + 103370241802.

It is an arithmetic number, because the mean of its divisors is an integer number (103370241802).

Almost surely, 2^206740483603 is an apocalyptic number.

206740483603 is a deficient number, since it is larger than the sum of its proper divisors (1).

206740483603 is an equidigital number, since it uses as much as digits as its factorization.

206740483603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 206740483603 in words is "two hundred six billion, seven hundred forty million, four hundred eighty-three thousand, six hundred three".