3663333673 has 2 divisors, whose sum is σ = 3663333674. Its totient is φ = 3663333672.

The previous prime is 3663333637. The next prime is 3663333677. The reversal of 3663333673 is 3763333663.

3663333673 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (3663333637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2154166569 + 1509167104 = 46413^2 + 38848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3663333673 is a prime.

It is not a weakly prime, because it can be changed into another prime (3663333677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831666836 + 1831666837.

It is an arithmetic number, because the mean of its divisors is an integer number (1831666837).

Almost surely, 2^3663333673 is an apocalyptic number.

It is an amenable number.

3663333673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663333673 is an equidigital number, since it uses as much as digits as its factorization.

3663333673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 43.

The square root of 3663333673 is about 60525.4795354816. The cubic root of 3663333673 is about 1541.5542964070.

The spelling of 3663333673 in words is "three billion, six hundred sixty-three million, three hundred thirty-three thousand, six hundred seventy-three".