2646227643 has 8 divisors (see below), whose sum is σ = 3530188800. Its totient is φ = 1763209128.

The previous prime is 2646227629. The next prime is 2646227653. The reversal of 2646227643 is 3467226462.

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

It is not a de Polignac number, because 2646227643 - 2⁴ = 2646227627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2646227595 and 2646227604.

It is not an unprimeable number, because it can be changed into a prime (2646227653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229083 + ... + 240356.

It is an arithmetic number, because the mean of its divisors is an integer number (441273600).

Almost surely, 2^2646227643 is an apocalyptic number.

2646227643 is a deficient number, since it is larger than the sum of its proper divisors (883961157).

2646227643 is a wasteful number, since it uses less digits than its factorization.

2646227643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471321.

The product of its digits is 580608, while the sum is 42.

The square root of 2646227643 is about 51441.4972857517. The cubic root of 2646227643 is about 1383.1705513912.

The spelling of 2646227643 in words is "two billion, six hundred forty-six million, two hundred twenty-seven thousand, six hundred forty-three".