6464063831 has 8 divisors (see below), whose sum is σ = 6606657984. Its totient is φ = 6321680640.

The previous prime is 6464063791. The next prime is 6464063839. The reversal of 6464063831 is 1383604646.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6464063831 is a prime.

It is a super-2 number, since 2×6464063831² = 83568242422484793122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464063839) 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, 10031 + ... + 114143.

It is an arithmetic number, because the mean of its divisors is an integer number (825832248).

Almost surely, 2^6464063831 is an apocalyptic number.

6464063831 is a deficient number, since it is larger than the sum of its proper divisors (142594153).

6464063831 is a wasteful number, since it uses less digits than its factorization.

6464063831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105481.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 6464063831 is about 80399.4019318552. The cubic root of 6464063831 is about 1862.8099347345.

The spelling of 6464063831 in words is "six billion, four hundred sixty-four million, sixty-three thousand, eight hundred thirty-one".