3974936784463 has 2 divisors, whose sum is σ = 3974936784464. Its totient is φ = 3974936784462.

The previous prime is 3974936784449. The next prime is 3974936784521. The reversal of 3974936784463 is 3644876394793.

It is a weak prime.

It is an emirp because it is prime and its reverse (3644876394793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3974936784463 - 2⁴¹ = 1775913528911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974936788463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987468392231 + 1987468392232.

It is an arithmetic number, because the mean of its divisors is an integer number (1987468392232).

Almost surely, 2^{3974936784463} is an apocalyptic number.

3974936784463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974936784463 is an equidigital number, since it uses as much as digits as its factorization.

3974936784463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975228416, while the sum is 73.

The spelling of 3974936784463 in words is "three trillion, nine hundred seventy-four billion, nine hundred thirty-six million, seven hundred eighty-four thousand, four hundred sixty-three".