5661414643 has 2 divisors, whose sum is σ = 5661414644. Its totient is φ = 5661414642.

The previous prime is 5661414637. The next prime is 5661414677. The reversal of 5661414643 is 3464141665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5661414643 - 2¹⁷ = 5661283571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5661414596 and 5661414605.

It is not a weakly prime, because it can be changed into another prime (5661414043) 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, 2830707321 + 2830707322.

It is an arithmetic number, because the mean of its divisors is an integer number (2830707322).

Almost surely, 2^5661414643 is an apocalyptic number.

5661414643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661414643 is an equidigital number, since it uses as much as digits as its factorization.

5661414643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 5661414643 is about 75242.3726566354. The cubic root of 5661414643 is about 1782.2761189850.

The spelling of 5661414643 in words is "five billion, six hundred sixty-one million, four hundred fourteen thousand, six hundred forty-three".