6578282749 has 2 divisors, whose sum is σ = 6578282750. Its totient is φ = 6578282748.

The previous prime is 6578282743. The next prime is 6578282783. The reversal of 6578282749 is 9472828756.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5611508100 + 966774649 = 74910^2 + 31093^2 .

It is a cyclic number.

It is not a de Polignac number, because 6578282749 - 2³ = 6578282741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6578282693 and 6578282702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6578282741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3289141374 + 3289141375.

It is an arithmetic number, because the mean of its divisors is an integer number (3289141375).

Almost surely, 2^6578282749 is an apocalyptic number.

It is an amenable number.

6578282749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6578282749 is an equidigital number, since it uses as much as digits as its factorization.

6578282749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The square root of 6578282749 is about 81106.6134726386. The cubic root of 6578282749 is about 1873.7177840043.

The spelling of 6578282749 in words is "six billion, five hundred seventy-eight million, two hundred eighty-two thousand, seven hundred forty-nine".