6448699 has 2 divisors, whose sum is σ = 6448700. Its totient is φ = 6448698.

The previous prime is 6448681. The next prime is 6448781. The reversal of 6448699 is 9968446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6448699 - 2¹¹ = 6446651 is a prime.

It is not a weakly prime, because it can be changed into another prime (6448609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224349 + 3224350.

It is an arithmetic number, because the mean of its divisors is an integer number (3224350).

Almost surely, 2^6448699 is an apocalyptic number.

6448699 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448699 is an equidigital number, since it uses as much as digits as its factorization.

6448699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 6448699 is about 2539.4288727980. The cubic root of 6448699 is about 186.1332821256.

The spelling of 6448699 in words is "six million, four hundred forty-eight thousand, six hundred ninety-nine".