6720482889 has 6 divisors (see below), whose sum is σ = 9707364186. Its totient is φ = 4480321920.

The previous prime is 6720482887. The next prime is 6720482917. The reversal of 6720482889 is 9882840276.

6720482889 is a `hidden beast` number, since 67 + 20 + 482 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4596840000 + 2123642889 = 67800^2 + 46083^2 .

It is not a de Polignac number, because 6720482889 - 2¹ = 6720482887 is a prime.

It is a super-2 number, since 2×6720482889² = 90329780522683572642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6720482887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373360152 + ... + 373360169.

It is an arithmetic number, because the mean of its divisors is an integer number (1617894031).

Almost surely, 2^6720482889 is an apocalyptic number.

It is an amenable number.

6720482889 is a deficient number, since it is larger than the sum of its proper divisors (2986881297).

6720482889 is a wasteful number, since it uses less digits than its factorization.

6720482889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746720327 (or 746720324 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 6720482889 is about 81978.5513960816. The cubic root of 6720482889 is about 1887.1227918878.

The spelling of 6720482889 in words is "six billion, seven hundred twenty million, four hundred eighty-two thousand, eight hundred eighty-nine".