3943947703 has 2 divisors, whose sum is σ = 3943947704. Its totient is φ = 3943947702.

The previous prime is 3943947673. The next prime is 3943947739. The reversal of 3943947703 is 3077493493.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3943947703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3943947803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971973851 + 1971973852.

It is an arithmetic number, because the mean of its divisors is an integer number (1971973852).

Almost surely, 2^3943947703 is an apocalyptic number.

3943947703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943947703 is an equidigital number, since it uses as much as digits as its factorization.

3943947703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 49.

The square root of 3943947703 is about 62800.8575021074. The cubic root of 3943947703 is about 1579.9513555231.

The spelling of 3943947703 in words is "three billion, nine hundred forty-three million, nine hundred forty-seven thousand, seven hundred three".