3940450117 has 2 divisors, whose sum is σ = 3940450118. Its totient is φ = 3940450116.

The previous prime is 3940450103. The next prime is 3940450153. The reversal of 3940450117 is 7110540493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3899502916 + 40947201 = 62446^2 + 6399^2 .

It is a cyclic number.

It is not a de Polignac number, because 3940450117 - 2²³ = 3932061509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940450817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970225058 + 1970225059.

It is an arithmetic number, because the mean of its divisors is an integer number (1970225059).

Almost surely, 2^3940450117 is an apocalyptic number.

It is an amenable number.

3940450117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940450117 is an equidigital number, since it uses as much as digits as its factorization.

3940450117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3940450117 is about 62773.0046835421. The cubic root of 3940450117 is about 1579.4841713296.

The spelling of 3940450117 in words is "three billion, nine hundred forty million, four hundred fifty thousand, one hundred seventeen".