3930911930389 has 2 divisors, whose sum is σ = 3930911930390. Its totient is φ = 3930911930388.

The previous prime is 3930911930383. The next prime is 3930911930461. The reversal of 3930911930389 is 9830391190393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2732270149764 + 1198641780625 = 1652958^2 + 1094825^2 .

It is a cyclic number.

It is not a de Polignac number, because 3930911930389 - 2⁵ = 3930911930357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3930911930383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965455965194 + 1965455965195.

It is an arithmetic number, because the mean of its divisors is an integer number (1965455965195).

Almost surely, 2^{3930911930389} is an apocalyptic number.

It is an amenable number.

3930911930389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3930911930389 is an equidigital number, since it uses as much as digits as its factorization.

3930911930389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4251528, while the sum is 58.

The spelling of 3930911930389 in words is "three trillion, nine hundred thirty billion, nine hundred eleven million, nine hundred thirty thousand, three hundred eighty-nine".