3666454123 has 2 divisors, whose sum is σ = 3666454124. Its totient is φ = 3666454122.

The previous prime is 3666454093. The next prime is 3666454133. The reversal of 3666454123 is 3214546663.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3214546663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666454123 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666454133) 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, 1833227061 + 1833227062.

It is an arithmetic number, because the mean of its divisors is an integer number (1833227062).

Almost surely, 2^3666454123 is an apocalyptic number.

3666454123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666454123 is an equidigital number, since it uses as much as digits as its factorization.

3666454123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 3666454123 is about 60551.2520349497. The cubic root of 3666454123 is about 1541.9918739755.

The spelling of 3666454123 in words is "three billion, six hundred sixty-six million, four hundred fifty-four thousand, one hundred twenty-three".