6797919691 has 2 divisors, whose sum is σ = 6797919692. Its totient is φ = 6797919690.

The previous prime is 6797919677. The next prime is 6797919697. The reversal of 6797919691 is 1969197976.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6797919691 - 2⁷ = 6797919563 is a prime.

It is not a weakly prime, because it can be changed into another prime (6797919697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3398959845 + 3398959846.

It is an arithmetic number, because the mean of its divisors is an integer number (3398959846).

Almost surely, 2^6797919691 is an apocalyptic number.

6797919691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6797919691 is an equidigital number, since it uses as much as digits as its factorization.

6797919691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11573604, while the sum is 64.

The square root of 6797919691 is about 82449.4978213937. The cubic root of 6797919691 is about 1894.3432575455.

The spelling of 6797919691 in words is "six billion, seven hundred ninety-seven million, nine hundred nineteen thousand, six hundred ninety-one".