6706790491 has 2 divisors, whose sum is σ = 6706790492. Its totient is φ = 6706790490.

The previous prime is 6706790483. The next prime is 6706790509. The reversal of 6706790491 is 1940976076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6706790491 - 2³ = 6706790483 is a prime.

It is not a weakly prime, because it can be changed into another prime (6706790191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353395245 + 3353395246.

It is an arithmetic number, because the mean of its divisors is an integer number (3353395246).

Almost surely, 2^6706790491 is an apocalyptic number.

6706790491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6706790491 is an equidigital number, since it uses as much as digits as its factorization.

6706790491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 6706790491 is about 81894.9967397276. The cubic root of 6706790491 is about 1885.8403044507.

The spelling of 6706790491 in words is "six billion, seven hundred six million, seven hundred ninety thousand, four hundred ninety-one".