6796691721 has 16 divisors (see below), whose sum is σ = 10074136320. Its totient is φ = 4528894320.

The previous prime is 6796691719. The next prime is 6796691753. The reversal of 6796691721 is 1271966976.

It is not a de Polignac number, because 6796691721 - 2¹ = 6796691719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6796691701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5310 + ... + 116711.

It is an arithmetic number, because the mean of its divisors is an integer number (629633520).

Almost surely, 2^6796691721 is an apocalyptic number.

It is an amenable number.

6796691721 is a deficient number, since it is larger than the sum of its proper divisors (3277444599).

6796691721 is a wasteful number, since it uses less digits than its factorization.

6796691721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124093 (or 124087 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 6796691721 is about 82442.0506841017. The cubic root of 6796691721 is about 1894.2291865318.

The spelling of 6796691721 in words is "six billion, seven hundred ninety-six million, six hundred ninety-one thousand, seven hundred twenty-one".