4645636433 has 2 divisors, whose sum is σ = 4645636434. Its totient is φ = 4645636432.

The previous prime is 4645636403. The next prime is 4645636447. The reversal of 4645636433 is 3346365464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4563407809 + 82228624 = 67553^2 + 9068^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645636433 - 2¹⁰ = 4645635409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4645636403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322818216 + 2322818217.

It is an arithmetic number, because the mean of its divisors is an integer number (2322818217).

Almost surely, 2^4645636433 is an apocalyptic number.

It is an amenable number.

4645636433 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645636433 is an equidigital number, since it uses as much as digits as its factorization.

4645636433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 44.

The square root of 4645636433 is about 68158.9057497258. The cubic root of 4645636433 is about 1668.5852735921.

The spelling of 4645636433 in words is "four billion, six hundred forty-five million, six hundred thirty-six thousand, four hundred thirty-three".