4001223668747 has 2 divisors, whose sum is σ = 4001223668748. Its totient is φ = 4001223668746.

The previous prime is 4001223668731. The next prime is 4001223668803. The reversal of 4001223668747 is 7478663221004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4001223668747 - 2⁴ = 4001223668731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4001223668695 and 4001223668704.

It is not a weakly prime, because it can be changed into another prime (4001223668947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000611834373 + 2000611834374.

It is an arithmetic number, because the mean of its divisors is an integer number (2000611834374).

Almost surely, 2^{4001223668747} is an apocalyptic number.

4001223668747 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001223668747 is an equidigital number, since it uses as much as digits as its factorization.

4001223668747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 4001223668747 in words is "four trillion, one billion, two hundred twenty-three million, six hundred sixty-eight thousand, seven hundred forty-seven".