4648319993 has 2 divisors, whose sum is σ = 4648319994. Its totient is φ = 4648319992.

The previous prime is 4648319981. The next prime is 4648320007. The reversal of 4648319993 is 3999138464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3596161024 + 1052158969 = 59968^2 + 32437^2 .

It is a cyclic number.

It is not a de Polignac number, because 4648319993 - 2¹⁸ = 4648057849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4648319293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324159996 + 2324159997.

It is an arithmetic number, because the mean of its divisors is an integer number (2324159997).

Almost surely, 2^4648319993 is an apocalyptic number.

It is an amenable number.

4648319993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4648319993 is an equidigital number, since it uses as much as digits as its factorization.

4648319993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 56.

The square root of 4648319993 is about 68178.5889631048. The cubic root of 4648319993 is about 1668.9064988139.

The spelling of 4648319993 in words is "four billion, six hundred forty-eight million, three hundred nineteen thousand, nine hundred ninety-three".