52431595243 has 4 divisors (see below), whose sum is σ = 52436309200. Its totient is φ = 52426881288.

The previous prime is 52431595207. The next prime is 52431595253. The reversal of 52431595243 is 34259513425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52431595243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52431595243.

It is not an unprimeable number, because it can be changed into a prime (52431595253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340255 + ... + 2362552.

It is an arithmetic number, because the mean of its divisors is an integer number (13109077300).

Almost surely, 2^52431595243 is an apocalyptic number.

52431595243 is a deficient number, since it is larger than the sum of its proper divisors (4713957).

52431595243 is a wasteful number, since it uses less digits than its factorization.

52431595243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713956.

The product of its digits is 648000, while the sum is 43.

The spelling of 52431595243 in words is "fifty-two billion, four hundred thirty-one million, five hundred ninety-five thousand, two hundred forty-three".