6974687389 has 2 divisors, whose sum is σ = 6974687390. Its totient is φ = 6974687388.

The previous prime is 6974687339. The next prime is 6974687443. The reversal of 6974687389 is 9837864796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4822191364 + 2152496025 = 69442^2 + 46395^2 .

It is a cyclic number.

It is not a de Polignac number, because 6974687389 - 2⁷ = 6974687261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6974687309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487343694 + 3487343695.

It is an arithmetic number, because the mean of its divisors is an integer number (3487343695).

Almost surely, 2^6974687389 is an apocalyptic number.

It is an amenable number.

6974687389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6974687389 is an equidigital number, since it uses as much as digits as its factorization.

6974687389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 67.

The square root of 6974687389 is about 83514.5938683773. The cubic root of 6974687389 is about 1910.6226225043.

The spelling of 6974687389 in words is "six billion, nine hundred seventy-four million, six hundred eighty-seven thousand, three hundred eighty-nine".