5243740655 has 4 divisors (see below), whose sum is σ = 6292488792. Its totient is φ = 4194992520.

The previous prime is 5243740643. The next prime is 5243740679. The reversal of 5243740655 is 5560473425.

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

It is not a de Polignac number, because 5243740655 - 2⁴ = 5243740639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524374061 + ... + 524374070.

It is an arithmetic number, because the mean of its divisors is an integer number (1573122198).

Almost surely, 2^5243740655 is an apocalyptic number.

5243740655 is a deficient number, since it is larger than the sum of its proper divisors (1048748137).

5243740655 is a wasteful number, since it uses less digits than its factorization.

5243740655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048748136.

The product of its (nonzero) digits is 504000, while the sum is 41.

The square root of 5243740655 is about 72413.6772647267. The cubic root of 5243740655 is about 1737.3223287090.

The spelling of 5243740655 in words is "five billion, two hundred forty-three million, seven hundred forty thousand, six hundred fifty-five".