538979779339 has 8 divisors (see below), whose sum is σ = 551932381440. Its totient is φ = 526046185896.

The previous prime is 538979779337. The next prime is 538979779361. The reversal of 538979779339 is 933977979835.

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

It is a cyclic number.

It is not a de Polignac number, because 538979779339 - 2¹ = 538979779337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538979779337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694767 + ... + 4808200.

It is an arithmetic number, because the mean of its divisors is an integer number (68991547680).

Almost surely, 2^538979779339 is an apocalyptic number.

538979779339 is a deficient number, since it is larger than the sum of its proper divisors (12952602101).

538979779339 is a wasteful number, since it uses less digits than its factorization.

538979779339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504329.

The product of its digits is 2430456840, while the sum is 79.

The spelling of 538979779339 in words is "five hundred thirty-eight billion, nine hundred seventy-nine million, seven hundred seventy-nine thousand, three hundred thirty-nine".