6748827989 has 2 divisors, whose sum is σ = 6748827990. Its totient is φ = 6748827988.

The previous prime is 6748827973. The next prime is 6748828033. The reversal of 6748827989 is 9897288476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3618984964 + 3129843025 = 60158^2 + 55945^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748827989 - 2⁴ = 6748827973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6748827889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374413994 + 3374413995.

It is an arithmetic number, because the mean of its divisors is an integer number (3374413995).

Almost surely, 2^6748827989 is an apocalyptic number.

It is an amenable number.

6748827989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748827989 is an equidigital number, since it uses as much as digits as its factorization.

6748827989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 68.

The square root of 6748827989 is about 82151.2506843323. The cubic root of 6748827989 is about 1889.7721876718.

The spelling of 6748827989 in words is "six billion, seven hundred forty-eight million, eight hundred twenty-seven thousand, nine hundred eighty-nine".