543454454419 has 2 divisors, whose sum is σ = 543454454420. Its totient is φ = 543454454418.

The previous prime is 543454454329. The next prime is 543454454449. The reversal of 543454454419 is 914454454345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543454454419 is a prime.

It is a super-2 number, since 2×543454454419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (543454454449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271727227209 + 271727227210.

It is an arithmetic number, because the mean of its divisors is an integer number (271727227210).

Almost surely, 2^543454454419 is an apocalyptic number.

543454454419 is a deficient number, since it is larger than the sum of its proper divisors (1).

543454454419 is an equidigital number, since it uses as much as digits as its factorization.

543454454419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824000, while the sum is 52.

The spelling of 543454454419 in words is "five hundred forty-three billion, four hundred fifty-four million, four hundred fifty-four thousand, four hundred nineteen".