319838884849 has 9 divisors (see below), whose sum is σ = 351565281739. Its totient is φ = 290756967160.

The previous prime is 319838884829. The next prime is 319838884877. The reversal of 319838884849 is 948488838913.

The square root of 319838884849 is 565543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 110320301025 + 209518583824 = 332145^2 + 457732^2 .

It is not a de Polignac number, because 319838884849 - 2⁷ = 319838884721 is a prime.

It is a super-2 number, since 2×319838884849² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319838884829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6195267 + ... + 6246679.

Almost surely, 2^319838884849 is an apocalyptic number.

319838884849 is the 565543-rd square number.

319838884849 is the 282772-nd centered octagonal number.

It is an amenable number.

319838884849 is a deficient number, since it is larger than the sum of its proper divisors (31726396890).

319838884849 is an frugal number, since it uses more digits than its factorization.

319838884849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102848 (or 51424 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 73.

The spelling of 319838884849 in words is "three hundred nineteen billion, eight hundred thirty-eight million, eight hundred eighty-four thousand, eight hundred forty-nine".