6464674163 has 4 divisors (see below), whose sum is σ = 6465210840. Its totient is φ = 6464137488.

The previous prime is 6464674157. The next prime is 6464674169. The reversal of 6464674163 is 3614764646.

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

It is an interprime number because it is at equal distance from previous prime (6464674157) and next prime (6464674169).

It is a cyclic number.

It is not a de Polignac number, because 6464674163 - 2¹⁶ = 6464608627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6464674169) 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, 249845 + ... + 274502.

It is an arithmetic number, because the mean of its divisors is an integer number (1616302710).

Almost surely, 2^6464674163 is an apocalyptic number.

6464674163 is a deficient number, since it is larger than the sum of its proper divisors (536677).

6464674163 is a wasteful number, since it uses less digits than its factorization.

6464674163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536676.

The product of its digits is 1741824, while the sum is 47.

The square root of 6464674163 is about 80403.1974675137. The cubic root of 6464674163 is about 1862.8685612560.

The spelling of 6464674163 in words is "six billion, four hundred sixty-four million, six hundred seventy-four thousand, one hundred sixty-three".