6720099533 has 4 divisors (see below), whose sum is σ = 7680113760. Its totient is φ = 5760085308.

The previous prime is 6720099523. The next prime is 6720099563. The reversal of 6720099533 is 3359900276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6720099533 - 2⁸ = 6720099277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720099523) 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, 480007103 + ... + 480007116.

It is an arithmetic number, because the mean of its divisors is an integer number (1920028440).

Almost surely, 2^6720099533 is an apocalyptic number.

It is an amenable number.

6720099533 is a deficient number, since it is larger than the sum of its proper divisors (960014227).

6720099533 is an equidigital number, since it uses as much as digits as its factorization.

6720099533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960014226.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 6720099533 is about 81976.2132145661. The cubic root of 6720099533 is about 1887.0869088710.

The spelling of 6720099533 in words is "six billion, seven hundred twenty million, ninety-nine thousand, five hundred thirty-three".