47538485439 has 32 divisors (see below), whose sum is σ = 66407261184. Its totient is φ = 30219571200.

The previous prime is 47538485429. The next prime is 47538485459. The reversal of 47538485439 is 93458483574.

It is a de Polignac number, because none of the positive numbers 2^k-47538485439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47538485429) 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 31 ways as a sum of consecutive naturals, for example, 2421487 + ... + 2441039.

It is an arithmetic number, because the mean of its divisors is an integer number (2075226912).

Almost surely, 2^47538485439 is an apocalyptic number.

47538485439 is a deficient number, since it is larger than the sum of its proper divisors (18868775745).

47538485439 is a wasteful number, since it uses less digits than its factorization.

47538485439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20047.

The product of its digits is 58060800, while the sum is 60.

The spelling of 47538485439 in words is "forty-seven billion, five hundred thirty-eight million, four hundred eighty-five thousand, four hundred thirty-nine".