1319784799968 has 72 divisors (see below), whose sum is σ = 3753312217200. Its totient is φ = 439907848704.

The previous prime is 1319784799897. The next prime is 1319784799987. The reversal of 1319784799968 is 8699974879131.

1319784799968 is a `hidden beast` number, since 1 + 3 + 19 + 78 + 479 + 9 + 9 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6912573 + ... + 7100931.

It is an arithmetic number, because the mean of its divisors is an integer number (52129336350).

Almost surely, 2^{1319784799968} is an apocalyptic number.

1319784799968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1319784799968 is an abundant number, since it is smaller than the sum of its proper divisors (2433527417232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1319784799968 is a wasteful number, since it uses less digits than its factorization.

1319784799968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212704 (or 212693 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 81.

The spelling of 1319784799968 in words is "one trillion, three hundred nineteen billion, seven hundred eighty-four million, seven hundred ninety-nine thousand, nine hundred sixty-eight".