6481864306 has 16 divisors (see below), whose sum is σ = 9750839328. Its totient is φ = 3231597600.

The previous prime is 6481864289. The next prime is 6481864381. The reversal of 6481864306 is 6034681846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379421 + ... + 1384111.

It is an arithmetic number, because the mean of its divisors is an integer number (609427458).

Almost surely, 2^6481864306 is an apocalyptic number.

6481864306 is a deficient number, since it is larger than the sum of its proper divisors (3268975022).

6481864306 is a wasteful number, since it uses less digits than its factorization.

6481864306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 6481864306 is about 80510.0261209745. The cubic root of 6481864306 is about 1864.5182775463.

The spelling of 6481864306 in words is "six billion, four hundred eighty-one million, eight hundred sixty-four thousand, three hundred six".