6819773534788 has 6 divisors (see below), whose sum is σ = 11934603685886. Its totient is φ = 3409886767392.

The previous prime is 6819773534773. The next prime is 6819773534807. The reversal of 6819773534788 is 8874353779186.

It can be written as a sum of positive squares in only one way, i.e., 6766980200964 + 52793333824 = 2601342^2 + 229768^2 .

It is a super-2 number, since 2×6819773534788² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852471691845 + ... + 852471691852.

Almost surely, 2^{6819773534788} is an apocalyptic number.

It is an amenable number.

6819773534788 is a deficient number, since it is larger than the sum of its proper divisors (5114830151098).

6819773534788 is a wasteful number, since it uses less digits than its factorization.

6819773534788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704943383701 (or 1704943383699 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 76.

The spelling of 6819773534788 in words is "six trillion, eight hundred nineteen billion, seven hundred seventy-three million, five hundred thirty-four thousand, seven hundred eighty-eight".