3909906023 has 2 divisors, whose sum is σ = 3909906024. Its totient is φ = 3909906022.

The previous prime is 3909905963. The next prime is 3909906043. The reversal of 3909906023 is 3206099093.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3909906023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3909906043) 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, 1954953011 + 1954953012.

It is an arithmetic number, because the mean of its divisors is an integer number (1954953012).

Almost surely, 2^3909906023 is an apocalyptic number.

3909906023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3909906023 is an equidigital number, since it uses as much as digits as its factorization.

3909906023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 3909906023 is about 62529.2413435506. The cubic root of 3909906023 is about 1575.3924978627.

The spelling of 3909906023 in words is "three billion, nine hundred nine million, nine hundred six thousand, twenty-three".