4238307947 has 2 divisors, whose sum is σ = 4238307948. Its totient is φ = 4238307946.

The previous prime is 4238307937. The next prime is 4238307959. The reversal of 4238307947 is 7497038324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4238307947 - 2¹⁰ = 4238306923 is a prime.

It is not a weakly prime, because it can be changed into another prime (4238307937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119153973 + 2119153974.

It is an arithmetic number, because the mean of its divisors is an integer number (2119153974).

Almost surely, 2^4238307947 is an apocalyptic number.

4238307947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238307947 is an equidigital number, since it uses as much as digits as its factorization.

4238307947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 4238307947 is about 65102.2883391974. The cubic root of 4238307947 is about 1618.3191359004.

The spelling of 4238307947 in words is "four billion, two hundred thirty-eight million, three hundred seven thousand, nine hundred forty-seven".