5561434433 has 2 divisors, whose sum is σ = 5561434434. Its totient is φ = 5561434432.

The previous prime is 5561434423. The next prime is 5561434453. The reversal of 5561434433 is 3344341655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4820941489 + 740492944 = 69433^2 + 27212^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561434433 - 2¹⁸ = 5561172289 is a prime.

It is not a weakly prime, because it can be changed into another prime (5561434423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780717216 + 2780717217.

It is an arithmetic number, because the mean of its divisors is an integer number (2780717217).

Almost surely, 2^5561434433 is an apocalyptic number.

It is an amenable number.

5561434433 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561434433 is an equidigital number, since it uses as much as digits as its factorization.

5561434433 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5561434433 is about 74575.0255313399. The cubic root of 5561434433 is about 1771.7221190226.

The spelling of 5561434433 in words is "five billion, five hundred sixty-one million, four hundred thirty-four thousand, four hundred thirty-three".