3973863941 has 2 divisors, whose sum is σ = 3973863942. Its totient is φ = 3973863940.

The previous prime is 3973863923. The next prime is 3973863953. The reversal of 3973863941 is 1493683793.

3973863941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3241024900 + 732839041 = 56930^2 + 27071^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973863941 - 2³⁰ = 2900122117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973860941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986931970 + 1986931971.

It is an arithmetic number, because the mean of its divisors is an integer number (1986931971).

Almost surely, 2^3973863941 is an apocalyptic number.

It is an amenable number.

3973863941 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973863941 is an equidigital number, since it uses as much as digits as its factorization.

3973863941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 3973863941 is about 63038.5908868528. The cubic root of 3973863941 is about 1583.9361270551.

The spelling of 3973863941 in words is "three billion, nine hundred seventy-three million, eight hundred sixty-three thousand, nine hundred forty-one".