5243666534 has 8 divisors (see below), whose sum is σ = 7866302040. Its totient is φ = 2621565856.

The previous prime is 5243666521. The next prime is 5243666537. The reversal of 5243666534 is 4356663425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243666537) 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, 108224 + ... + 148995.

It is an arithmetic number, because the mean of its divisors is an integer number (983287755).

Almost surely, 2^5243666534 is an apocalyptic number.

5243666534 is a deficient number, since it is larger than the sum of its proper divisors (2622635506).

5243666534 is a wasteful number, since it uses less digits than its factorization.

5243666534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267414.

The product of its digits is 1555200, while the sum is 44.

The square root of 5243666534 is about 72413.1654742423. The cubic root of 5243666534 is about 1737.3141429065.

The spelling of 5243666534 in words is "five billion, two hundred forty-three million, six hundred sixty-six thousand, five hundred thirty-four".