8406084691 has 2 divisors, whose sum is σ = 8406084692. Its totient is φ = 8406084690.

The previous prime is 8406084683. The next prime is 8406084727. The reversal of 8406084691 is 1964806048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8406084691 - 2³ = 8406084683 is a prime.

It is not a weakly prime, because it can be changed into another prime (8406084611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203042345 + 4203042346.

It is an arithmetic number, because the mean of its divisors is an integer number (4203042346).

Almost surely, 2^8406084691 is an apocalyptic number.

8406084691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406084691 is an equidigital number, since it uses as much as digits as its factorization.

8406084691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 8406084691 is about 91684.7026008156. The cubic root of 8406084691 is about 2033.2834251449.

The spelling of 8406084691 in words is "eight billion, four hundred six million, eighty-four thousand, six hundred ninety-one".