538339449742 has 8 divisors (see below), whose sum is σ = 807913541736. Its totient is φ = 269034935832.

The previous prime is 538339449737. The next prime is 538339449743. The reversal of 538339449742 is 247944933835.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538339449743) 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, 67389528 + ... + 67397515.

It is an arithmetic number, because the mean of its divisors is an integer number (100989192717).

Almost surely, 2^538339449742 is an apocalyptic number.

538339449742 is a deficient number, since it is larger than the sum of its proper divisors (269574091994).

538339449742 is a wasteful number, since it uses less digits than its factorization.

538339449742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134789042.

The product of its digits is 78382080, while the sum is 61.

The spelling of 538339449742 in words is "five hundred thirty-eight billion, three hundred thirty-nine million, four hundred forty-nine thousand, seven hundred forty-two".