6773676921 has 30 divisors (see below), whose sum is σ = 11122226346. Its totient is φ = 4105252800.

The previous prime is 6773676919. The next prime is 6773676941. The reversal of 6773676921 is 1296763776.

6773676921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6510069225 + 263607696 = 80685^2 + 16236^2 .

It is not a de Polignac number, because 6773676921 - 2¹ = 6773676919 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6773676901) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 335760 + ... + 355361.

Almost surely, 2^6773676921 is an apocalyptic number.

It is an amenable number.

6773676921 is a deficient number, since it is larger than the sum of its proper divisors (4348549425).

6773676921 is a wasteful number, since it uses less digits than its factorization.

6773676921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691155 (or 691135 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 6773676921 is about 82302.3506407928. The cubic root of 6773676921 is about 1892.0887037013.

The spelling of 6773676921 in words is "six billion, seven hundred seventy-three million, six hundred seventy-six thousand, nine hundred twenty-one".