4663191947 has 2 divisors, whose sum is σ = 4663191948. Its totient is φ = 4663191946.

The previous prime is 4663191943. The next prime is 4663191959. The reversal of 4663191947 is 7491913664.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4663191947 - 2² = 4663191943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4663191895 and 4663191904.

It is not a weakly prime, because it can be changed into another prime (4663191941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331595973 + 2331595974.

It is an arithmetic number, because the mean of its divisors is an integer number (2331595974).

Almost surely, 2^4663191947 is an apocalyptic number.

4663191947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663191947 is an equidigital number, since it uses as much as digits as its factorization.

4663191947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 4663191947 is about 68287.5680266914. The cubic root of 4663191947 is about 1670.6844514117.

The spelling of 4663191947 in words is "four billion, six hundred sixty-three million, one hundred ninety-one thousand, nine hundred forty-seven".