3905906273 has 2 divisors, whose sum is σ = 3905906274. Its totient is φ = 3905906272.

The previous prime is 3905906269. The next prime is 3905906293. The reversal of 3905906273 is 3726095093.

3905906273 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 can be written as a sum of positive squares in only one way, i.e., 3192589009 + 713317264 = 56503^2 + 26708^2 .

It is a cyclic number.

It is not a de Polignac number, because 3905906273 - 2² = 3905906269 is a prime.

It is a super-2 number, since 2×3905906273² = 30512207626921501058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3905906293) 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, 1952953136 + 1952953137.

It is an arithmetic number, because the mean of its divisors is an integer number (1952953137).

Almost surely, 2^3905906273 is an apocalyptic number.

It is an amenable number.

3905906273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3905906273 is an equidigital number, since it uses as much as digits as its factorization.

3905906273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 3905906273 is about 62497.2501235054. The cubic root of 3905906273 is about 1574.8551169994.

The spelling of 3905906273 in words is "three billion, nine hundred five million, nine hundred six thousand, two hundred seventy-three".