3981683619701 has 2 divisors, whose sum is σ = 3981683619702. Its totient is φ = 3981683619700.

The previous prime is 3981683619593. The next prime is 3981683619703. The reversal of 3981683619701 is 1079163861893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3973141239076 + 8542380625 = 1993274^2 + 92425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3981683619701 is a prime.

Together with 3981683619703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3981683619703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990841809850 + 1990841809851.

It is an arithmetic number, because the mean of its divisors is an integer number (1990841809851).

Almost surely, 2^{3981683619701} is an apocalyptic number.

It is an amenable number.

3981683619701 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981683619701 is an equidigital number, since it uses as much as digits as its factorization.

3981683619701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 3981683619701 in words is "three trillion, nine hundred eighty-one billion, six hundred eighty-three million, six hundred nineteen thousand, seven hundred one".