6648407829 has 48 divisors (see below), whose sum is σ = 11412851840. Its totient is φ = 3793325256.

The previous prime is 6648407827. The next prime is 6648407833. The reversal of 6648407829 is 9287048466.

It is not a de Polignac number, because 6648407829 - 2¹ = 6648407827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648407827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10088302 + ... + 10088960.

Almost surely, 2^6648407829 is an apocalyptic number.

It is an amenable number.

6648407829 is a deficient number, since it is larger than the sum of its proper divisors (4764444011).

6648407829 is an frugal number, since it uses more digits than its factorization.

6648407829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 6648407829 is about 81537.7693403493. The cubic root of 6648407829 is about 1880.3522643247.

The spelling of 6648407829 in words is "six billion, six hundred forty-eight million, four hundred seven thousand, eight hundred twenty-nine".