543962149 has 4 divisors (see below), whose sum is σ = 544289740. Its totient is φ = 543634560.

The previous prime is 543962119. The next prime is 543962171. The reversal of 543962149 is 941269345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 384748225 + 159213924 = 19615^2 + 12618^2 .

It is a cyclic number.

It is not a de Polignac number, because 543962149 - 2⁵ = 543962117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543962119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161292 + ... + 164629.

It is an arithmetic number, because the mean of its divisors is an integer number (136072435).

Almost surely, 2^543962149 is an apocalyptic number.

It is an amenable number.

543962149 is a deficient number, since it is larger than the sum of its proper divisors (327591).

543962149 is a wasteful number, since it uses less digits than its factorization.

543962149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327590.

The product of its digits is 233280, while the sum is 43.

The square root of 543962149 is about 23322.9961411479. The cubic root of 543962149 is about 816.3120867670.

The spelling of 543962149 in words is "five hundred forty-three million, nine hundred sixty-two thousand, one hundred forty-nine".