6721233505 has 8 divisors (see below), whose sum is σ = 9217691712. Its totient is φ = 4608845808.

The previous prime is 6721233487. The next prime is 6721233593. The reversal of 6721233505 is 5053321276.

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

It is not a de Polignac number, because 6721233505 - 2¹¹ = 6721231457 is a prime.

It is a Duffinian number.

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, 96017587 + ... + 96017656.

It is an arithmetic number, because the mean of its divisors is an integer number (1152211464).

Almost surely, 2^6721233505 is an apocalyptic number.

It is an amenable number.

6721233505 is a deficient number, since it is larger than the sum of its proper divisors (2496458207).

6721233505 is a wasteful number, since it uses less digits than its factorization.

6721233505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192035255.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 6721233505 is about 81983.1293925769. The cubic root of 6721233505 is about 1887.1930473467.

The spelling of 6721233505 in words is "six billion, seven hundred twenty-one million, two hundred thirty-three thousand, five hundred five".