2006768453 has 2 divisors, whose sum is σ = 2006768454. Its totient is φ = 2006768452.

The previous prime is 2006768443. The next prime is 2006768471. The reversal of 2006768453 is 3548676002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1534053889 + 472714564 = 39167^2 + 21742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006768453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006768453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006768443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003384226 + 1003384227.

It is an arithmetic number, because the mean of its divisors is an integer number (1003384227).

Almost surely, 2^2006768453 is an apocalyptic number.

It is an amenable number.

2006768453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006768453 is an equidigital number, since it uses as much as digits as its factorization.

2006768453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2006768453 is about 44796.9692390010. The cubic root of 2006768453 is about 1261.3407356529.

The spelling of 2006768453 in words is "two billion, six million, seven hundred sixty-eight thousand, four hundred fifty-three".