5433406661 has 2 divisors, whose sum is σ = 5433406662. Its totient is φ = 5433406660.

The previous prime is 5433406639. The next prime is 5433406721. The reversal of 5433406661 is 1666043345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5329876036 + 103530625 = 73006^2 + 10175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5433406661 - 2¹⁸ = 5433144517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5433406061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716703330 + 2716703331.

It is an arithmetic number, because the mean of its divisors is an integer number (2716703331).

Almost surely, 2^5433406661 is an apocalyptic number.

It is an amenable number.

5433406661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5433406661 is an equidigital number, since it uses as much as digits as its factorization.

5433406661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 5433406661 is about 73711.6453553982. The cubic root of 5433406661 is about 1758.0210475783.

The spelling of 5433406661 in words is "five billion, four hundred thirty-three million, four hundred six thousand, six hundred sixty-one".