5644531433 has 2 divisors, whose sum is σ = 5644531434. Its totient is φ = 5644531432.

The previous prime is 5644531427. The next prime is 5644531447. The reversal of 5644531433 is 3341354465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5619451369 + 25080064 = 74963^2 + 5008^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644531433 - 2¹⁸ = 5644269289 is a prime.

It is not a weakly prime, because it can be changed into another prime (5644531463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822265716 + 2822265717.

It is an arithmetic number, because the mean of its divisors is an integer number (2822265717).

Almost surely, 2^5644531433 is an apocalyptic number.

It is an amenable number.

5644531433 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644531433 is an equidigital number, since it uses as much as digits as its factorization.

5644531433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 38.

The square root of 5644531433 is about 75130.0967189581. The cubic root of 5644531433 is about 1780.5026810081.

Adding to 5644531433 its reverse (3341354465), we get a palindrome (8985885898).

It can be divided in two parts, 56445 and 31433, that added together give a palindrome (87878).

The spelling of 5644531433 in words is "five billion, six hundred forty-four million, five hundred thirty-one thousand, four hundred thirty-three".