4063949947 has 2 divisors, whose sum is σ = 4063949948. Its totient is φ = 4063949946.

The previous prime is 4063949899. The next prime is 4063949959. The reversal of 4063949947 is 7499493604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4063949947 is a prime.

It is not a weakly prime, because it can be changed into another prime (4063944947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031974973 + 2031974974.

It is an arithmetic number, because the mean of its divisors is an integer number (2031974974).

Almost surely, 2^4063949947 is an apocalyptic number.

4063949947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4063949947 is an equidigital number, since it uses as much as digits as its factorization.

4063949947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The square root of 4063949947 is about 63749.1172252605. The cubic root of 4063949947 is about 1595.8158837857.

The spelling of 4063949947 in words is "four billion, sixty-three million, nine hundred forty-nine thousand, nine hundred forty-seven".