6448568507 has 2 divisors, whose sum is σ = 6448568508. Its totient is φ = 6448568506.

The previous prime is 6448568449. The next prime is 6448568527. The reversal of 6448568507 is 7058658446.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6448568507 - 2¹² = 6448564411 is a prime.

It is not a weakly prime, because it can be changed into another prime (6448568527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224284253 + 3224284254.

It is an arithmetic number, because the mean of its divisors is an integer number (3224284254).

Almost surely, 2^6448568507 is an apocalyptic number.

6448568507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448568507 is an equidigital number, since it uses as much as digits as its factorization.

6448568507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The square root of 6448568507 is about 80302.9794403670. The cubic root of 6448568507 is about 1861.3202661373.

The spelling of 6448568507 in words is "six billion, four hundred forty-eight million, five hundred sixty-eight thousand, five hundred seven".