6448862759 has 2 divisors, whose sum is σ = 6448862760. Its totient is φ = 6448862758.

The previous prime is 6448862731. The next prime is 6448862801. The reversal of 6448862759 is 9572688446.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6448862759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6448862698 and 6448862707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448862159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224431379 + 3224431380.

It is an arithmetic number, because the mean of its divisors is an integer number (3224431380).

Almost surely, 2^6448862759 is an apocalyptic number.

6448862759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448862759 is an equidigital number, since it uses as much as digits as its factorization.

6448862759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 59.

The square root of 6448862759 is about 80304.8115557219. The cubic root of 6448862759 is about 1861.3485767554.

The spelling of 6448862759 in words is "six billion, four hundred forty-eight million, eight hundred sixty-two thousand, seven hundred fifty-nine".