2104464643 has 4 divisors (see below), whose sum is σ = 2215225960. Its totient is φ = 1993703328.

The previous prime is 2104464623. The next prime is 2104464671. The reversal of 2104464643 is 3464644012.

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 2104464643 - 2²⁵ = 2070910211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104464599 and 2104464608.

It is not an unprimeable number, because it can be changed into a prime (2104464613) 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, 55380630 + ... + 55380667.

It is an arithmetic number, because the mean of its divisors is an integer number (553806490).

Almost surely, 2^2104464643 is an apocalyptic number.

2104464643 is a deficient number, since it is larger than the sum of its proper divisors (110761317).

2104464643 is a wasteful number, since it uses less digits than its factorization.

2104464643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110761316.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2104464643 is about 45874.4443345094. Note that the first 3 decimals coincide. The cubic root of 2104464643 is about 1281.4860351247.

The spelling of 2104464643 in words is "two billion, one hundred four million, four hundred sixty-four thousand, six hundred forty-three".