6628446415231 has 4 divisors (see below), whose sum is σ = 6628456276200. Its totient is φ = 6628436554264.

The previous prime is 6628446415187. The next prime is 6628446415313. The reversal of 6628446415231 is 1325146448266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6628446415231 - 2¹⁹ = 6628445890943 is a prime.

It is a super-2 number, since 2×6628446415231² (a number of 26 digits) 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 (6628446415531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842116 + ... + 5293273.

It is an arithmetic number, because the mean of its divisors is an integer number (1657114069050).

Almost surely, 2^{6628446415231} is an apocalyptic number.

6628446415231 is a deficient number, since it is larger than the sum of its proper divisors (9860969).

6628446415231 is an equidigital number, since it uses as much as digits as its factorization.

6628446415231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860968.

The product of its digits is 6635520, while the sum is 52.

The spelling of 6628446415231 in words is "six trillion, six hundred twenty-eight billion, four hundred forty-six million, four hundred fifteen thousand, two hundred thirty-one".