1967974706039 has 2 divisors, whose sum is σ = 1967974706040. Its totient is φ = 1967974706038.

The previous prime is 1967974706003. The next prime is 1967974706077. The reversal of 1967974706039 is 9306074797691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1967974706039 - 2⁸ = 1967974705783 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1967974706039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1967974706099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983987353019 + 983987353020.

It is an arithmetic number, because the mean of its divisors is an integer number (983987353020).

Almost surely, 2^{1967974706039} is an apocalyptic number.

1967974706039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1967974706039 is an equidigital number, since it uses as much as digits as its factorization.

1967974706039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108020304, while the sum is 68.

The spelling of 1967974706039 in words is "one trillion, nine hundred sixty-seven billion, nine hundred seventy-four million, seven hundred six thousand, thirty-nine".