6874736489 has 2 divisors, whose sum is σ = 6874736490. Its totient is φ = 6874736488.

The previous prime is 6874736467. The next prime is 6874736507. The reversal of 6874736489 is 9846374786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5001318400 + 1873418089 = 70720^2 + 43283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6874736489 is a prime.

It is not a weakly prime, because it can be changed into another prime (6874736189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437368244 + 3437368245.

It is an arithmetic number, because the mean of its divisors is an integer number (3437368245).

Almost surely, 2^6874736489 is an apocalyptic number.

It is an amenable number.

6874736489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874736489 is an equidigital number, since it uses as much as digits as its factorization.

6874736489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 62.

The square root of 6874736489 is about 82914.0307125398. The cubic root of 6874736489 is about 1901.4519362568.

The spelling of 6874736489 in words is "six billion, eight hundred seventy-four million, seven hundred thirty-six thousand, four hundred eighty-nine".