4645636349 has 2 divisors, whose sum is σ = 4645636350. Its totient is φ = 4645636348.

The previous prime is 4645636339. The next prime is 4645636381. The reversal of 4645636349 is 9436365464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2609370724 + 2036265625 = 51082^2 + 45125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4645636349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4645636297 and 4645636306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645636309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322818174 + 2322818175.

It is an arithmetic number, because the mean of its divisors is an integer number (2322818175).

Almost surely, 2^4645636349 is an apocalyptic number.

It is an amenable number.

4645636349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645636349 is an equidigital number, since it uses as much as digits as its factorization.

4645636349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 50.

The square root of 4645636349 is about 68158.9051335187. The cubic root of 4645636349 is about 1668.5852635353.

The spelling of 4645636349 in words is "four billion, six hundred forty-five million, six hundred thirty-six thousand, three hundred forty-nine".