6966679091 has 2 divisors, whose sum is σ = 6966679092. Its totient is φ = 6966679090.

The previous prime is 6966679079. The next prime is 6966679127. The reversal of 6966679091 is 1909766696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6966679091 - 2¹⁴ = 6966662707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6966679091.

It is not a weakly prime, because it can be changed into another prime (6966679991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483339545 + 3483339546.

It is an arithmetic number, because the mean of its divisors is an integer number (3483339546).

Almost surely, 2^6966679091 is an apocalyptic number.

6966679091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6966679091 is an equidigital number, since it uses as much as digits as its factorization.

6966679091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The square root of 6966679091 is about 83466.6345973048. The cubic root of 6966679091 is about 1909.8910869614.

The spelling of 6966679091 in words is "six billion, nine hundred sixty-six million, six hundred seventy-nine thousand, ninety-one".