5243287780427 has 4 divisors (see below), whose sum is σ = 5243845408440. Its totient is φ = 5242730152416.

The previous prime is 5243287780417. The next prime is 5243287780441. The reversal of 5243287780427 is 7240877823425.

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

It is a cyclic number.

It is not a de Polignac number, because 5243287780427 - 2²⁸ = 5243019344971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243287780417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278799902 + ... + 278818707.

It is an arithmetic number, because the mean of its divisors is an integer number (1310961352110).

Almost surely, 2^{5243287780427} is an apocalyptic number.

5243287780427 is a deficient number, since it is larger than the sum of its proper divisors (557628013).

5243287780427 is an equidigital number, since it uses as much as digits as its factorization.

5243287780427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557628012.

The product of its (nonzero) digits is 42147840, while the sum is 59.

The spelling of 5243287780427 in words is "five trillion, two hundred forty-three billion, two hundred eighty-seven million, seven hundred eighty thousand, four hundred twenty-seven".