6468435291 has 8 divisors (see below), whose sum is σ = 8999562240. Its totient is φ = 4124799272.

The previous prime is 6468435289. The next prime is 6468435317. The reversal of 6468435291 is 1925348646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6468435291 - 2¹ = 6468435289 is a prime.

It is a super-2 number, since 2×6468435291² = 83681310227708509362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6468435291.

It is not an unprimeable number, because it can be changed into a prime (6468435251) 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 7 ways as a sum of consecutive naturals, for example, 46872651 + ... + 46872788.

It is an arithmetic number, because the mean of its divisors is an integer number (1124945280).

Almost surely, 2^6468435291 is an apocalyptic number.

6468435291 is a deficient number, since it is larger than the sum of its proper divisors (2531126949).

6468435291 is a wasteful number, since it uses less digits than its factorization.

6468435291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93745465.

The product of its digits is 1244160, while the sum is 48.

The square root of 6468435291 is about 80426.5832358928. The cubic root of 6468435291 is about 1863.2297616601.

The spelling of 6468435291 in words is "six billion, four hundred sixty-eight million, four hundred thirty-five thousand, two hundred ninety-one".