4209748163723 has 2 divisors, whose sum is σ = 4209748163724. Its totient is φ = 4209748163722.

The previous prime is 4209748163701. The next prime is 4209748163729. The reversal of 4209748163723 is 3273618479024.

It is a happy number.

4209748163723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4209748163723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4209748163729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104874081861 + 2104874081862.

It is an arithmetic number, because the mean of its divisors is an integer number (2104874081862).

Almost surely, 2^{4209748163723} is an apocalyptic number.

4209748163723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4209748163723 is an equidigital number, since it uses as much as digits as its factorization.

4209748163723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 4209748163723 in words is "four trillion, two hundred nine billion, seven hundred forty-eight million, one hundred sixty-three thousand, seven hundred twenty-three".