4646618947 has 2 divisors, whose sum is σ = 4646618948. Its totient is φ = 4646618946.

The previous prime is 4646618909. The next prime is 4646618971. The reversal of 4646618947 is 7498166464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4646618947 - 2²³ = 4638230339 is a prime.

It is not a weakly prime, because it can be changed into another prime (4646618147) 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, 2323309473 + 2323309474.

It is an arithmetic number, because the mean of its divisors is an integer number (2323309474).

Almost surely, 2^4646618947 is an apocalyptic number.

4646618947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646618947 is an equidigital number, since it uses as much as digits as its factorization.

4646618947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The square root of 4646618947 is about 68166.1128934311. The cubic root of 4646618947 is about 1668.7028960001.

The spelling of 4646618947 in words is "four billion, six hundred forty-six million, six hundred eighteen thousand, nine hundred forty-seven".