1316893684770 has 48 divisors (see below), whose sum is σ = 3516462064440. Its totient is φ = 341680522752.

The previous prime is 1316893684753. The next prime is 1316893684787. The reversal of 1316893684770 is 774863986131.

1316893684770 is a `hidden beast` number, since 1 + 3 + 16 + 8 + 93 + 68 + 477 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1316893684753) and next prime (1316893684787).

It can be written as a sum of positive squares in 4 ways, for example, as 1296954267921 + 19939416849 = 1138839^2 + 141207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1316893684698 and 1316893684707.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197728455 + ... + 197735114.

Almost surely, 2^{1316893684770} is an apocalyptic number.

1316893684770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316893684770 is an abundant number, since it is smaller than the sum of its proper divisors (2199568379670).

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

1316893684770 is a wasteful number, since it uses less digits than its factorization.

1316893684770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395463619 (or 395463616 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 1316893684770 in words is "one trillion, three hundred sixteen billion, eight hundred ninety-three million, six hundred eighty-four thousand, seven hundred seventy".