5644216433 has 2 divisors, whose sum is σ = 5644216434. Its totient is φ = 5644216432.

The previous prime is 5644216367. The next prime is 5644216439. The reversal of 5644216433 is 3346124465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5644216384 + 49 = 75128^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644216433 - 2¹² = 5644212337 is a prime.

It is not a weakly prime, because it can be changed into another prime (5644216439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822108216 + 2822108217.

It is an arithmetic number, because the mean of its divisors is an integer number (2822108217).

Almost surely, 2^5644216433 is an apocalyptic number.

It is an amenable number.

5644216433 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644216433 is an equidigital number, since it uses as much as digits as its factorization.

5644216433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The square root of 5644216433 is about 75128.0003261101. Note that the first 3 decimals coincide. The cubic root of 5644216433 is about 1780.4695593466.

The spelling of 5644216433 in words is "five billion, six hundred forty-four million, two hundred sixteen thousand, four hundred thirty-three".