5543420819 has 2 divisors, whose sum is σ = 5543420820. Its totient is φ = 5543420818.

The previous prime is 5543420807. The next prime is 5543420821. The reversal of 5543420819 is 9180243455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5543420819 - 2³² = 1248453523 is a prime.

It is a super-2 number, since 2×5543420819² = 61459028753045261522, which contains 22 as substring.

Together with 5543420821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5543420419) 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, 2771710409 + 2771710410.

It is an arithmetic number, because the mean of its divisors is an integer number (2771710410).

Almost surely, 2^5543420819 is an apocalyptic number.

5543420819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543420819 is an equidigital number, since it uses as much as digits as its factorization.

5543420819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 5543420819 is about 74454.1524631098. The cubic root of 5543420819 is about 1769.8071671143.

The spelling of 5543420819 in words is "five billion, five hundred forty-three million, four hundred twenty thousand, eight hundred nineteen".