4643662313 has 2 divisors, whose sum is σ = 4643662314. Its totient is φ = 4643662312.

The previous prime is 4643662297. The next prime is 4643662351. The reversal of 4643662313 is 3132663464.

It is an a-pointer prime, because the next prime (4643662351) can be obtained adding 4643662313 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2752891024 + 1890771289 = 52468^2 + 43483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4643662313 - 2⁴ = 4643662297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4643362313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321831156 + 2321831157.

It is an arithmetic number, because the mean of its divisors is an integer number (2321831157).

Almost surely, 2^4643662313 is an apocalyptic number.

It is an amenable number.

4643662313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643662313 is an equidigital number, since it uses as much as digits as its factorization.

4643662313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 38.

The square root of 4643662313 is about 68144.4224643514. The cubic root of 4643662313 is about 1668.3488901743.

The spelling of 4643662313 in words is "four billion, six hundred forty-three million, six hundred sixty-two thousand, three hundred thirteen".