2684768693 has 2 divisors, whose sum is σ = 2684768694. Its totient is φ = 2684768692.

The previous prime is 2684768663. The next prime is 2684768753. The reversal of 2684768693 is 3968674862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660186929 + 24581764 = 51577^2 + 4958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684768693 - 2¹⁴ = 2684752309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684768663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342384346 + 1342384347.

It is an arithmetic number, because the mean of its divisors is an integer number (1342384347).

Almost surely, 2^2684768693 is an apocalyptic number.

It is an amenable number.

2684768693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684768693 is an equidigital number, since it uses as much as digits as its factorization.

2684768693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 59.

The square root of 2684768693 is about 51814.7536228824. The cubic root of 2684768693 is about 1389.8532862765.

The spelling of 2684768693 in words is "two billion, six hundred eighty-four million, seven hundred sixty-eight thousand, six hundred ninety-three".