3106640443 has 2 divisors, whose sum is σ = 3106640444. Its totient is φ = 3106640442.

The previous prime is 3106640441. The next prime is 3106640447. The reversal of 3106640443 is 3440466013.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3106640443 - 2¹ = 3106640441 is a prime.

Together with 3106640441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3106640441) 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, 1553320221 + 1553320222.

It is an arithmetic number, because the mean of its divisors is an integer number (1553320222).

Almost surely, 2^3106640443 is an apocalyptic number.

3106640443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3106640443 is an equidigital number, since it uses as much as digits as its factorization.

3106640443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3106640443 is about 55737.2446663808. The cubic root of 3106640443 is about 1459.1401146324.

The spelling of 3106640443 in words is "three billion, one hundred six million, six hundred forty thousand, four hundred forty-three".