2628655223 has 4 divisors (see below), whose sum is σ = 2665678608. Its totient is φ = 2591631840.

The previous prime is 2628655201. The next prime is 2628655259. The reversal of 2628655223 is 3225568262.

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 2628655223 - 2¹⁴ = 2628638839 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 (2628655423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18511586 + ... + 18511727.

It is an arithmetic number, because the mean of its divisors is an integer number (666419652).

Almost surely, 2^2628655223 is an apocalyptic number.

2628655223 is a deficient number, since it is larger than the sum of its proper divisors (37023385).

2628655223 is an equidigital number, since it uses as much as digits as its factorization.

2628655223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37023384.

The product of its digits is 345600, while the sum is 41.

The square root of 2628655223 is about 51270.4127445840. The cubic root of 2628655223 is about 1380.1020758703.

The spelling of 2628655223 in words is "two billion, six hundred twenty-eight million, six hundred fifty-five thousand, two hundred twenty-three".