538442989047 has 6 divisors (see below), whose sum is σ = 777750984192. Its totient is φ = 358961992692.

The previous prime is 538442989039. The next prime is 538442989079. The reversal of 538442989047 is 740989244835.

538442989047 is a `hidden beast` number, since 5 + 3 + 84 + 429 + 8 + 90 + 47 = 666.

It is not a de Polignac number, because 538442989047 - 2³ = 538442989039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538442989087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29913499383 + ... + 29913499400.

It is an arithmetic number, because the mean of its divisors is an integer number (129625164032).

Almost surely, 2^538442989047 is an apocalyptic number.

538442989047 is a deficient number, since it is larger than the sum of its proper divisors (239307995145).

538442989047 is a wasteful number, since it uses less digits than its factorization.

538442989047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59826998789 (or 59826998786 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 538442989047 in words is "five hundred thirty-eight billion, four hundred forty-two million, nine hundred eighty-nine thousand, forty-seven".