543149879 has 2 divisors, whose sum is σ = 543149880. Its totient is φ = 543149878.

The previous prime is 543149861. The next prime is 543149891. The reversal of 543149879 is 978941345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543149879 - 2¹⁶ = 543084343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543149809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271574939 + 271574940.

It is an arithmetic number, because the mean of its divisors is an integer number (271574940).

Almost surely, 2^543149879 is an apocalyptic number.

543149879 is a deficient number, since it is larger than the sum of its proper divisors (1).

543149879 is an equidigital number, since it uses as much as digits as its factorization.

543149879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 543149879 is about 23305.5761353372. The cubic root of 543149879 is about 815.9055657530.

The spelling of 543149879 in words is "five hundred forty-three million, one hundred forty-nine thousand, eight hundred seventy-nine".