4645635409 has 2 divisors, whose sum is σ = 4645635410. Its totient is φ = 4645635408.

The previous prime is 4645635403. The next prime is 4645635433. The reversal of 4645635409 is 9045365464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3075257025 + 1570378384 = 55455^2 + 39628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4645635409 is a prime.

It is not a weakly prime, because it can be changed into another prime (4645635403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322817704 + 2322817705.

It is an arithmetic number, because the mean of its divisors is an integer number (2322817705).

Almost surely, 2^4645635409 is an apocalyptic number.

It is an amenable number.

4645635409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645635409 is an equidigital number, since it uses as much as digits as its factorization.

4645635409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The square root of 4645635409 is about 68158.8982378677. The cubic root of 4645635409 is about 1668.5851509945.

The spelling of 4645635409 in words is "four billion, six hundred forty-five million, six hundred thirty-five thousand, four hundred nine".