6506668413 has 32 divisors (see below), whose sum is σ = 11020396800. Its totient is φ = 3716808768.

The previous prime is 6506668381. The next prime is 6506668423. The reversal of 6506668413 is 3148666056.

It is not a de Polignac number, because 6506668413 - 2⁵ = 6506668381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506668423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924295 + ... + 931307.

It is an arithmetic number, because the mean of its divisors is an integer number (344387400).

Almost surely, 2^6506668413 is an apocalyptic number.

6506668413 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6506668413 is a deficient number, since it is larger than the sum of its proper divisors (4513728387).

6506668413 is a wasteful number, since it uses less digits than its factorization.

6506668413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11938 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 6506668413 is about 80663.9226234380. The cubic root of 6506668413 is about 1866.8935635154.

The spelling of 6506668413 in words is "six billion, five hundred six million, six hundred sixty-eight thousand, four hundred thirteen".