4099756691 has 2 divisors, whose sum is σ = 4099756692. Its totient is φ = 4099756690.

The previous prime is 4099756667. The next prime is 4099756741. The reversal of 4099756691 is 1966579904.

4099756691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4099756691 is a prime.

It is not a weakly prime, because it can be changed into another prime (4099756631) 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, 2049878345 + 2049878346.

It is an arithmetic number, because the mean of its divisors is an integer number (2049878346).

Almost surely, 2^4099756691 is an apocalyptic number.

4099756691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099756691 is an equidigital number, since it uses as much as digits as its factorization.

4099756691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 4099756691 is about 64029.3424220490. The cubic root of 4099756691 is about 1600.4890030063.

The spelling of 4099756691 in words is "four billion, ninety-nine million, seven hundred fifty-six thousand, six hundred ninety-one".