6464338242 has 8 divisors (see below), whose sum is σ = 12928676496. Its totient is φ = 2154779412.

The previous prime is 6464338187. The next prime is 6464338259. The reversal of 6464338242 is 2428334646.

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

6464338242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6464338194 and 6464338203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538694848 + ... + 538694859.

It is an arithmetic number, because the mean of its divisors is an integer number (1616084562).

Almost surely, 2^6464338242 is an apocalyptic number.

6464338242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6464338242 is a wasteful number, since it uses less digits than its factorization.

6464338242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077389712.

The product of its digits is 663552, while the sum is 42.

The square root of 6464338242 is about 80401.1084625082. The cubic root of 6464338242 is about 1862.8362942258.

The spelling of 6464338242 in words is "six billion, four hundred sixty-four million, three hundred thirty-eight thousand, two hundred forty-two".