4646455447 has 2 divisors, whose sum is σ = 4646455448. Its totient is φ = 4646455446.

The previous prime is 4646455441. The next prime is 4646455511. The reversal of 4646455447 is 7445546464.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4646455447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4646455447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646455441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323227723 + 2323227724.

It is an arithmetic number, because the mean of its divisors is an integer number (2323227724).

Almost surely, 2^4646455447 is an apocalyptic number.

4646455447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646455447 is an equidigital number, since it uses as much as digits as its factorization.

4646455447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 49.

The square root of 4646455447 is about 68164.9136066349. The cubic root of 4646455447 is about 1668.6833236238.

The spelling of 4646455447 in words is "four billion, six hundred forty-six million, four hundred fifty-five thousand, four hundred forty-seven".