319855220929 has 4 divisors (see below), whose sum is σ = 325276495920. Its totient is φ = 314433945940.

The previous prime is 319855220921. The next prime is 319855220939. The reversal of 319855220929 is 929022558913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319855220929 - 2³ = 319855220921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319855220929.

It is not an unprimeable number, because it can be changed into a prime (319855220921) 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 3 ways as a sum of consecutive naturals, for example, 2710637407 + ... + 2710637524.

It is an arithmetic number, because the mean of its divisors is an integer number (81319123980).

Almost surely, 2^319855220929 is an apocalyptic number.

It is an amenable number.

319855220929 is a deficient number, since it is larger than the sum of its proper divisors (5421274991).

319855220929 is an equidigital number, since it uses as much as digits as its factorization.

319855220929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421274990.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 319855220929 in words is "three hundred nineteen billion, eight hundred fifty-five million, two hundred twenty thousand, nine hundred twenty-nine".