6406464593 has 8 divisors (see below), whose sum is σ = 6747875520. Its totient is φ = 6065476560.

The previous prime is 6406464577. The next prime is 6406464611. The reversal of 6406464593 is 3954646046.

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 6406464593 - 2⁴ = 6406464577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406464563) 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 7 ways as a sum of consecutive naturals, for example, 74378 + ... + 135443.

It is an arithmetic number, because the mean of its divisors is an integer number (843484440).

Almost surely, 2^6406464593 is an apocalyptic number.

It is an amenable number.

6406464593 is a deficient number, since it is larger than the sum of its proper divisors (341410927).

6406464593 is a wasteful number, since it uses less digits than its factorization.

6406464593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211447.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The square root of 6406464593 is about 80040.3935085279. The cubic root of 6406464593 is about 1857.2604477244.

The spelling of 6406464593 in words is "six billion, four hundred six million, four hundred sixty-four thousand, five hundred ninety-three".