2104547643 has 32 divisors (see below), whose sum is σ = 3403845120. Its totient is φ = 1274525280.

The previous prime is 2104547639. The next prime is 2104547659. The reversal of 2104547643 is 3467454012.

2104547643 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 5 + 4 + 7 + 643 = 666.

It is not a de Polignac number, because 2104547643 - 2² = 2104547639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104547598 and 2104547607.

It is not an unprimeable number, because it can be changed into a prime (2104547663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784821 + ... + 787497.

It is an arithmetic number, because the mean of its divisors is an integer number (106370160).

Almost surely, 2^2104547643 is an apocalyptic number.

2104547643 is a deficient number, since it is larger than the sum of its proper divisors (1299297477).

2104547643 is a wasteful number, since it uses less digits than its factorization.

2104547643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2104547643 is about 45875.3489687000. The cubic root of 2104547643 is about 1281.5028821556.

The spelling of 2104547643 in words is "two billion, one hundred four million, five hundred forty-seven thousand, six hundred forty-three".