6468840699 has 16 divisors (see below), whose sum is σ = 8689443840. Its totient is φ = 4280459040.

The previous prime is 6468840683. The next prime is 6468840733. The reversal of 6468840699 is 9960488646.

It is not a de Polignac number, because 6468840699 - 2⁴ = 6468840683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6468840619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459832 + ... + 473690.

It is an arithmetic number, because the mean of its divisors is an integer number (543090240).

Almost surely, 2^6468840699 is an apocalyptic number.

6468840699 is a deficient number, since it is larger than the sum of its proper divisors (2220603141).

6468840699 is a wasteful number, since it uses less digits than its factorization.

6468840699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The square root of 6468840699 is about 80429.1035571080. The cubic root of 6468840699 is about 1863.2686867086.

The spelling of 6468840699 in words is "six billion, four hundred sixty-eight million, eight hundred forty thousand, six hundred ninety-nine".