52642287439 has 8 divisors (see below), whose sum is σ = 62237187360. Its totient is φ = 43566030816.

The previous prime is 52642287437. The next prime is 52642287469. The reversal of 52642287439 is 93478224625.

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

It is not a de Polignac number, because 52642287439 - 2¹ = 52642287437 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 (52642287437) 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 7 ways as a sum of consecutive naturals, for example, 129660604 + ... + 129661009.

It is an arithmetic number, because the mean of its divisors is an integer number (7779648420).

Almost surely, 2^52642287439 is an apocalyptic number.

52642287439 is a deficient number, since it is larger than the sum of its proper divisors (9594899921).

52642287439 is a wasteful number, since it uses less digits than its factorization.

52642287439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259321649.

The product of its digits is 5806080, while the sum is 52.

The spelling of 52642287439 in words is "fifty-two billion, six hundred forty-two million, two hundred eighty-seven thousand, four hundred thirty-nine".