543911449 has 2 divisors, whose sum is σ = 543911450. Its totient is φ = 543911448.

The previous prime is 543911353. The next prime is 543911483. The reversal of 543911449 is 944119345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462551049 + 81360400 = 21507^2 + 9020^2 .

It is a cyclic number.

It is not a de Polignac number, because 543911449 - 2¹⁵ = 543878681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (543921449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271955724 + 271955725.

It is an arithmetic number, because the mean of its divisors is an integer number (271955725).

Almost surely, 2^543911449 is an apocalyptic number.

It is an amenable number.

543911449 is a deficient number, since it is larger than the sum of its proper divisors (1).

543911449 is an equidigital number, since it uses as much as digits as its factorization.

543911449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 543911449 is about 23321.9092057233. The cubic root of 543911449 is about 816.2867245190.

The spelling of 543911449 in words is "five hundred forty-three million, nine hundred eleven thousand, four hundred forty-nine".