319647746913 has 32 divisors (see below), whose sum is σ = 489549450240. Its totient is φ = 183478570560.

The previous prime is 319647746879. The next prime is 319647746923.

319647746913 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 319647746913 - 2¹⁴ = 319647730529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (319647746923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2236156 + ... + 2374802.

It is an arithmetic number, because the mean of its divisors is an integer number (15298420320).

Almost surely, 2^319647746913 is an apocalyptic number.

319647746913 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

319647746913 is a deficient number, since it is larger than the sum of its proper divisors (169901703327).

319647746913 is a wasteful number, since it uses less digits than its factorization.

319647746913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142357.

The product of its digits is 20575296, while the sum is 60.

The spelling of 319647746913 in words is "three hundred nineteen billion, six hundred forty-seven million, seven hundred forty-six thousand, nine hundred thirteen".