6409649207163 has 4 divisors (see below), whose sum is σ = 8546198942888. Its totient is φ = 4273099471440.

The previous prime is 6409649207147. The next prime is 6409649207183. The reversal of 6409649207163 is 3617029469046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6409649207163 - 2⁴ = 6409649207147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6409649207183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068274867858 + ... + 1068274867863.

It is an arithmetic number, because the mean of its divisors is an integer number (2136549735722).

Almost surely, 2^{6409649207163} is an apocalyptic number.

6409649207163 is a deficient number, since it is larger than the sum of its proper divisors (2136549735725).

6409649207163 is a wasteful number, since it uses less digits than its factorization.

6409649207163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136549735724.

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 6409649207163 in words is "six trillion, four hundred nine billion, six hundred forty-nine million, two hundred seven thousand, one hundred sixty-three".