319980435985 has 32 divisors (see below), whose sum is σ = 441887288832. Its totient is φ = 217887667200.

The previous prime is 319980435889. The next prime is 319980436003. The reversal of 319980435985 is 589534089913.

It is not a de Polignac number, because 319980435985 - 2⁹ = 319980435473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18663337 + ... + 18680473.

It is an arithmetic number, because the mean of its divisors is an integer number (13808977776).

Almost surely, 2^319980435985 is an apocalyptic number.

319980435985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

319980435985 is a deficient number, since it is larger than the sum of its proper divisors (121906852847).

319980435985 is a wasteful number, since it uses less digits than its factorization.

319980435985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20833.

The product of its (nonzero) digits is 41990400, while the sum is 64.

The spelling of 319980435985 in words is "three hundred nineteen billion, nine hundred eighty million, four hundred thirty-five thousand, nine hundred eighty-five".