4043204129947 has 2 divisors, whose sum is σ = 4043204129948. Its totient is φ = 4043204129946.

The previous prime is 4043204129933. The next prime is 4043204129963. The reversal of 4043204129947 is 7499214023404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4043204129947 - 2⁷ = 4043204129819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043204129947.

It is not a weakly prime, because it can be changed into another prime (4043204229947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021602064973 + 2021602064974.

It is an arithmetic number, because the mean of its divisors is an integer number (2021602064974).

Almost surely, 2^{4043204129947} is an apocalyptic number.

4043204129947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043204129947 is an equidigital number, since it uses as much as digits as its factorization.

4043204129947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 4043204129947 in words is "four trillion, forty-three billion, two hundred four million, one hundred twenty-nine thousand, nine hundred forty-seven".