6466653653243 has 8 divisors (see below), whose sum is σ = 7390510674912. Its totient is φ = 5542808970816.

The previous prime is 6466653653227. The next prime is 6466653653279. The reversal of 6466653653243 is 3423563566646.

It is a happy number.

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 6466653653243 - 2⁴ = 6466653653227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6466653653143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933130 + ... + 4082927.

It is an arithmetic number, because the mean of its divisors is an integer number (923813834364).

Almost surely, 2^{6466653653243} is an apocalyptic number.

6466653653243 is a deficient number, since it is larger than the sum of its proper divisors (923857021669).

6466653653243 is a wasteful number, since it uses less digits than its factorization.

6466653653243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169621.

The product of its digits is 167961600, while the sum is 59.

The spelling of 6466653653243 in words is "six trillion, four hundred sixty-six billion, six hundred fifty-three million, six hundred fifty-three thousand, two hundred forty-three".